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Microbiology Fundamentals 1st Edition Cowan Bunn Test Bank

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Microbiology Fundamentals 1st Edition Cowan Bunn Test Bank

  • ISBN-10: 0077688856
  • ISBN-13: 978-0077688851

 

Description

Microbiology Fundamentals 1st Edition Cowan Bunn Test Bank

  • ISBN-10: 0077688856
  • ISBN-13: 978-0077688851

 

 

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Chapter 09

Physical and Chemical Control of Microbes

 

 

Multiple Choice Questions

  1. Which of the following microbial forms have the highest resistance to physical and chemical controls?
    A. naked viruses
    B.  protozoan cysts
    C.  fungal spores
    D.  bacterial endospores
    E.  yeast

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.02 Identify the microorganisms that are most resistant and least resistant to control measures.
Section: 09.01
Topic: Control of Microbial Growth

  1. The process that destroys or removes all microorganisms and microbial forms including bacterial endospores on inanimate objects is
    A. disinfection.
    B.  sterilization.
    C.  antisepsis.
    D.  sanitization.
    E.  degermation.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. The process of using a cleansing technique to mechanically remove and reduce microorganisms and debris to safe levels is
    A. disinfection.
    B.  sterilization.
    C.  antisepsis.
    D.  sanitization.
    E.  degermation.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. The use of a physical or chemical process to destroy vegetative pathogens is
    A. disinfection.
    B.  sterilization.
    C.  antisepsis.
    D.  sanitization.
    E.  degermation.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. The use of chemical agents directly on exposed body surfaces to destroy or inhibit vegetative pathogens is
    A. disinfection.
    B.  sterilization.
    C.  antisepsis.
    D.  sanitization.
    E.  ionization

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. Scrubbing or immersing the skin in chemicals to reduce the numbers of microbes on the skin is
    A. disinfection.
    B.  sterilization.
    C.  antisepsis.
    D.  sanitization.
    E.  ionization.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. Which of the following types of control agents would be used to achieve sterility?
    A. virucide
    B.  bactericide
    C.  germicide
    D.  sporicide
    E.  fungicide

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.03 Define “-static” and “-cidal.”
Section: 09.01
Topic: Control of Microbial Growth

  1. The easiest microbial forms to kill or inhibit are
    A. naked viruses.
    B.  vegetative bacteria and fungi.
    C.  endospores.
    D.  protozoan cysts.
    E.  mycobacteria and staphylococci.

 

ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.02 Identify the microorganisms that are most resistant and least resistant to control measures.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. The method of removing vegetative microbial life forms from inanimate objects is termed
    A. antisepsis.
    B.  disinfection.
    C.  sterilization.
    D.  decontamination.
    E.  degerming.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. The method of removing vegetative life forms from living surfaces is termed
    A. antisepsis.
    B.  disinfection.
    C.  sterilization.
    D.  decontamination.
    E.  fegerming.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. The removal of all life forms from inanimate objects is termed
    A. antisepsis.
    B.  disinfection.
    C.  sterilization.
    D.  decontamination.
    E.  degerming.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. The betadine swab before blood donation in an example of
    A. antisepsis.
    B.  disinfection.
    C.  sterilization.
    D.  decontamination.
    E.  sanitation.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 02. Understand
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. The alcohol wipe before an injection is an example of
    A. antisepsis.
    B.  disinfection.
    C.  sterilization.
    D.  decontamination.
    E.  virilization.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. A cleansing method that mechanically removes microbes and other debris to reduce contamination is
    A. disinfection.
    B.  sterilization.
    C.  antisepsis.
    D.  sanitization.
    E.  degermation.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. Which is correct regarding the rate of microbial death?
    A. Cells die at increasingly greater rates.
    B.  Only older cells die in a culture.
    C.  Cells in a culture die at a constant rate.
    D.  Upon contact with the control agent, all cells die at one time.
    E.  Cells become metabolically inactive, but are never killed.

 

ASM Objective: 03.03 The survival and growth of any microorganism in a given environment depends on its metabolic characteristics.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.03 Define “-static” and “-cidal.”
Section: 09.01
Topic: Control of Microbial Growth

  1. Which of the following factors will influence the action of microbial agents?
    A. the number of microorganisms
    B.  the kind of microorganisms
    C.  temperature and pH
    D.  mode and dosage of the agent
    E.  All of these will influence the action.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.03 Define “-static” and “-cidal.”
Section: 09.01
Topic: Control of Microbial Growth

  1. Microbial death occurs when there is
    A. no movement.
    B.  no reproduction.
    C.  a change in appearance.
    D.  a decrease in size.
    E.  All of these occur.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.03 Define “-static” and “-cidal.”
Section: 09.01
Topic: Control of Microbial Growth

 

  1. Each of the following is the target of antimicrobial agents except
    A. cell walls.
    B.  cell membranes.
    C.  ribosomes.
    D.  cellular proteins.
    E.  cytoplasm.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.04 Name four categories of cellular targets for physical and chemical agents.
Section: 09.01
Topic: Control of Microbial Growth

  1. Surfactants work by
    A. coating the organism, preventing interaction with its environment.
    B.  blocking transport into the organism.
    C.  blocking transport out from the organism.
    D.  disrupting membrane integrity.
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.04 Name four categories of cellular targets for physical and chemical agents.
Section: 09.01
Topic: Control of Microbial Growth

  1. Some microbial control agents are able to _____ cell proteins by breaking bonds that maintain the native state (three-dimensional configuration) of the proteins.
    A. denature
    B.  bind
    C.  dissolve
    D.  activate
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.04 Name four categories of cellular targets for physical and chemical agents.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. Agents that can denature microbial proteins include all of the following except
    A. moist heat.
    B.  alcohol.
    C.  acids.
    D.  metallic ions.
    E.  X rays.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.04 Name four categories of cellular targets for physical and chemical agents.
Learning Objective: 09.06 Discuss both moist and dry heat methods, and identify multiple examples of both.
Learning Objective: 09.11 Differentiate between the two types of radiation control methods.
Learning Objective: 09.18 Identify some heavy metal control agents.
Section: 09.01
Section: 09.02
Section: 09.03
Topic: Control of Microbial Growth

  1. Which of the following does not affect microbial nucleic acids?
    A. moist heat
    B.  ultraviolet light
    C.  X rays
    D.  ethylene dioxide
    E.  formaldehyde

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.06 Discuss both moist and dry heat methods, and identify multiple examples of both.
Learning Objective: 09.11 Differentiate between the two types of radiation control methods.
Learning Objective: 09.20 Identify applications for ethylene oxide sterilization.
Section: 09.02
Section: 09.03
Topic: Control of Microbial Growth

 

  1. Physical agents for controlling microbial growth include all the following except
    A. ultraviolet radiation.
    B.  boiling water.
    C.  HEPA filters.
    D.  pasteurization.
    E.  hydrogen peroxide.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.05 Name six methods of physical control of microorganisms.
Section: 09.02
Topic: Control of Microbial Growth

  1. Sterilization is achieved by
    A. flash pasteurization.
    B.  hot water.
    C.  boiling water.
    D.  steam autoclave.
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.06 Discuss both moist and dry heat methods, and identify multiple examples of both.
Section: 09.02
Topic: Control of Microbial Growth

  1. Dry heat
    A. is less efficient than moist heat.
    B.  cannot sterilize.
    C.  includes tyndallization.
    D.  is used in devices called autoclaves.
    E.  will sterilize at 121° C for 15 minutes.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.06 Discuss both moist and dry heat methods, and identify multiple examples of both.
Section: 09.02

 

  1. The minimum sterilizing conditions in a steam autoclave are
    A. 121°C at 15 psi for 15 minutes.
    B.  63°C for 30 minutes.
    C.  160°C for 2 hours.
    D.  71.6°C for 15 seconds.
    E.  100°C for 30 minutes.

 

ASM Objective: 08.05 Use appropriate microbiological and molecular lab equipment.
ASM Topic: Module 08 Microbiology Skills
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

  1. The shortest time required to kill all the microbes in a sample at a specified temperature is called the
    A. thermal death point (TDP).
    B.  thermal death time (TDT).
    C.  sporicidal time.
    D.  death phase point.
    E.  None of the choices is correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.07 Define thermal death time and thermal death point.
Section: 09.02
Topic: Control of Microbial Growth

  1. The lowest temperature needed to kill all microbes in 10 minutes is the
    A. thermal death point (TDP).
    B.  thermal death time (TDT).
    C.  sporicidal time.
    D.  death phase point.
    E.  None of the choices is correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.07 Define thermal death time and thermal death point.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. Disinfection of beverages such as apple juice, milk and wine is optimally achieved by
    A. pasteurization.
    B.  chlorination.
    C.  moist heat autoclave.
    D.  filtration.
    E.  boiling water.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

  1. Placing organisms at 4oC is
    A. bacteriocidal.
    B.  bacteriostatic.
    C.  decontamination.
    D.  sterilization.
    E.  None of the choices is correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.03 Define “-static” and “-cidal.”
Learning Objective: 09.10 Identify advantages and disadvantages of cold and desiccation.
Section: 09.01
Section: 09.02
Topic: Control of Microbial Growth

  1. Pasteurization
    A. kills all vegetative forms.
    B.  reduces the number of vegetative forms.
    C.  reduces the number of endospores.
    D.  increases food nutrient value.
    E.  None of the choices is correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. _____ heat is more rapidly effective and efficient compared to _____ heat.
    A. High, dry
    B.  High, moist
    C.  Dry, moist
    D.  Moist, dry
    E.  Moist, high

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.06 Discuss both moist and dry heat methods, and identify multiple examples of both.
Section: 09.02
Topic: Control of Microbial Growth

  1. A method for sterilizing milk, called _____ treatment, uses 134° C for 1 to 2 seconds.
    A. pasteurization
    B.  batch pasteurization
    C.  flash pasteurization
    D.  ultra high temperature
    E.  None of the choices is correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

  1. What instrument is most effective for pressure-temperature sterilization?
    A. oven
    B.  autoclave
    C.  water-bath
    D.  Bunsen burner
    E.  incubator

 

ASM Objective: 08.05 Use appropriate microbiological and molecular lab equipment.
ASM Topic: Module 08 Microbiology Skills
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. Intermittent sterilization, which uses three days of lower temperature steam for short periods of time, is also called
    A. pasteurization.
    B.  incubation.
    C.  tyndallization.
    D.  disinfection.
    E.  dessication.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

  1. Which of the following is not a primary target of milk pasteurization?
    A. Salmonella
    B.  Campylobacter jejuni
    C.  Lactobacilli
    D.  Listeria monocytogenes
    E.  Brucella

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

  1. Vials of microorganisms that undergo the freeze-drying process called _____ will remain preserved and viable for years.
    A. desiccation
    B.  flash freeze
    C.  lyophilization
    D.  pasteurization
    E.  sterilization

 

ASM Objective: 08.05 Use appropriate microbiological and molecular lab equipment.
ASM Topic: Module 08 Microbiology Skills
Bloom’s Level: 01. Remember
Learning Objective: 09.10 Identify advantages and disadvantages of cold and desiccation.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. Removal of moisture by dehydration is called
    A. desiccation.
    B.  flash freeze.
    C.  lyophilization.
    D.  pasteurization.
    E.  sterilization.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.10 Identify advantages and disadvantages of cold and desiccation.
Section: 09.02
Topic: Control of Microbial Growth

  1. _____ radiation excites atoms to a higher energy state within molecules such as DNA that then leads to the formation of pyrimidine dimers.
    A. Infrared
    B.  Ultraviolet
    C.  Gamma
    D.  Particle
    E.  Ionizing

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.11 Differentiate between the two types of radiation control methods.
Section: 09.02
Topic: Control of Microbial Growth

  1. Electrons are ejected from atoms in cells when organisms are exposed to
    A. desiccation.
    B.  ultraviolet light.
    C.  ethyl alcohol.
    D.  hydrogen peroxide.
    E.  gamma rays and X rays.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.11 Differentiate between the two types of radiation control methods.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. Which of the following items are typically irradiated in order to kill microbes?
    A. cured meats
    B.  human tissues such as heart valves and skin
    C.  operating room air
    D.  surgical gloves
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.11 Differentiate between the two types of radiation control methods.
Section: 09.02
Topic: Control of Microbial Growth

  1. Which control method would not be a suitable choice for killing Mycobacterium in a capped culture tube?
    A. ultraviolet (germicidal) light
    B.  gamma rays
    C.  121°C at 15 psi for 15 minutes
    D.  160°C for 2 hours
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.11 Differentiate between the two types of radiation control methods.
Section: 09.02
Topic: Control of Microbial Growth

  1. Which of the following forms of radiation is in order from the most penetrating to the least penetrating?
    A. gamma, cathode, X rays
    B.  gamma, X rays, cathode
    C.  cathode, gamma, X ray
    D.  cathode, X ray, gamma
    E.  X ray, gamma, cathode

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.11 Differentiate between the two types of radiation control methods.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. HEPA filters are used to remove microbes from
    A. air.
    B.  liquids.
    C.  human tissues.
    D.  medical instruments.
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.12 Explain how filtration and osmotic pressure function as control methods.
Section: 09.02
Topic: Control of Microbial Growth

  1. Filtration sterilization
    A. can remove viruses.
    B.  relies on gravity.
    C.  removes toxins.
    D.  uses heat and filtration.
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.12 Explain how filtration and osmotic pressure function as control methods.
Section: 09.02
Topic: Control of Microbial Growth

  1. _____ is a control method that removes microorganisms rather than inhibiting or killing them.
    A. Boiling
    B.  Sterilization
    C.  Radiation
    D.  Filtration
    E.  Disinfection

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.05 Name six methods of physical control of microorganisms.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. Which of the following is not a factor that affects germicidal activity?
    A. the material being treated
    B.  the length of exposure
    C.  the strength of the germicide
    D.  the microorganism being treated
    E.  All of these are factors.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. All of the following pertain to hypochlorites except
    A. release hypochlorous acid in solution.
    B.  cause denaturation of enzymes.
    C.  found in iodophors.
    D.  used to disinfect dairy, restaurant, and medical equipment.
    E.  found in common household bleach.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Section: 09.03
Topic: Control of Microbial Growth

  1. _____ is a halogen used in gaseous and liquid form for large scale disinfection of drinking water and sewage.
    A. Iodine
    B.  Chlorine
    C.  Bromine
    D.  Fluorine
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Section: 09.03
Topic: Control of Microbial Growth

 

  1. Which of the following is not true of chloramines?
    A. contains chlorine
    B.  can sanitize and disinfect
    C.  form trihalomethanes with organic compounds
    D.  is safer than free chlorine
    E.  treats wounds and skin surfaces

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Section: 09.03
Topic: Control of Microbial Growth

  1. The compound that is an organic base containing chlorine and two phenolic rings, and is used increasingly for wound degerming, neonatal washes, hand scrubbing, and prepping surgical skin sites is
    A. carbolic acid.
    B.  chlorhexidine.
    C.  triclosan.
    D.  formalin.
    E.  quarternary ammonium compounds.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.16 Explain the mode of action of chlorhexidine.
Section: 09.03
Topic: Control of Microbial Growth

  1. Alcohols
    A. denature proteins when in a 50-95% alcohol-water solution.
    B.  disinfect items soaked in alcohol.
    C.  are skin degerming agents.
    D.  at 50% or higher concentrations dissolve cell membrane lipids.
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.03
Topic: Control of Microbial Growth

 

  1. The chemical agent that produces highly reactive hydroxyl-free radicals and also decomposes to O2 gas is
    A. cidex.
    B.  cationic detergents.
    C.  hydrogen peroxide.
    D.  chlorhexidine.
    E.  iodophors.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.17 Explain the applications of hydrogen peroxide agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. Hydrogen peroxide is
    A. sporicidal.
    B.  fungicidal.
    C.  bactericidal.
    D.  virucidal.
    E.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.17 Explain the applications of hydrogen peroxide agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. All the following act as surfactants except
    A. detergents.
    B.  soaps.
    C.  quaternary ammonia.
    D.  alcohols.
    E.  iodine.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.04 Name four categories of cellular targets for physical and chemical agents.
Section: 09.03
Topic: Control of Microbial Growth

 

  1. Heavy metals work by
    A. rupturing the cell membrane.
    B.  inactivating proteins.
    C.  binding to DNA.
    D.  dissolving the cell wall.
    E.  mutating DNA.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.18 Identify some heavy metal control agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. Which of the following is not used as an antiseptic?
    A. iodophor
    B.  chlorhexidine
    C.  3% hydrogen peroxide
    D.  betadine
    E.  aqueous glutaraldehyde

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.17 Explain the applications of hydrogen peroxide agents.
Learning Objective: 09.19 Discuss the disadvantages of aldehyde agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. Ethylene oxide is
    A. sporicidal.
    B.  only effective with high heat.
    C.  the active agent in household bleach.
    D.  used as an antiseptic against anaerobes.
    E.  a halogen.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.20 Identify applications for ethylene oxide sterilization.
Section: 09.03
Topic: Control of Microbial Growth

 

  1. Which of the following acids is not used to destroy or inhibit microbial cells in food?
    A. acetic acid
    B.  benzoic acid
    C.  lactic acid
    D.  phosphoric acid
    E.  propionic acid

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. Using a HEPA filter in a vacuum or furnace is an example of which microbial control method?
    A. physical agent
    B.  mechanical method
    C.  chemical agent
    D.  gases
    E.  ionizing agent

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.05 Name six methods of physical control of microorganisms.
Section: 09.02
Topic: Control of Microbial Growth

  1. In lab, inoculating loops are sterilized using
    A. moist heat.
    B.  chemicals.
    C.  incineration.
    D.  filtration.
    E.  ethylene oxide.

 

ASM Objective: 08.05 Use appropriate microbiological and molecular lab equipment.
ASM Topic: Module 08 Microbiology Skills
Bloom’s Level: 01. Remember
Learning Objective: 09.09 Explain two methods of dry heat control.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. Antimicrobial agents can target the cell wall by
    A. blocking its synthesis.
    B.  digesting it.
    C.  denaturing proteins.
    D.  All of the choices are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.04 Name four categories of cellular targets for physical and chemical agents.
Section: 09.01
Topic: Control of Microbial Growth

  1. Which of the following represents the use of osmotic pressure as a microbial control method?
    A. bleaching a kitchen counter
    B.  salting of meat
    C.  rinsing of a cut with Betadine
    D.  Both bleaching a kitchen counter and rinsing a cut with Betadine are correct.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.12 Explain how filtration and osmotic pressure function as control methods.
Section: 09.02
Topic: Control of Microbial Growth

 

True / False Questions

  1. Microbicidal agents are sterilants.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.03 Define “-static” and “-cidal.”
Section: 09.01
Topic: Control of Microbial Growth

 

  1. Bacteriostatic agents kill bacterial cells.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.03 Define “-static” and “-cidal.”
Section: 09.01
Topic: Control of Microbial Growth

  1. Prions require more extensive methods of sterilization than are needed for bacterial endospores.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.02 Identify the microorganisms that are most resistant and least resistant to control measures.
Section: 09.01
Topic: Control of Microbial Growth

  1. The presence of organic matter such as saliva and pus can interfere with the actions of disinfectants.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. When a control agent targets the metabolic processes of microbial cells, active younger cells typically die more rapidly than older cells.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.02 Identify the microorganisms that are most resistant and least resistant to control measures.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. A microorganism that is not motile and has stopped metabolizing could be considered dead.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. Most microbial contaminants of food are killed at freezing temperatures.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.10 Identify advantages and disadvantages of cold and desiccation.
Section: 09.02
Topic: Control of Microbial Growth

  1. Pasteurization will make milk sterile.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

  1. Pasteurization does not kill endospores or thermoduric microbes.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.08 Explain methods of moist heat control.
Section: 09.02
Topic: Control of Microbial Growth

 

  1. Ionizing radiation is more effective than non-ionizing radiation in killing microbes.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.11 Differentiate between the two types of radiation control methods.
Section: 09.02
Topic: Control of Microbial Growth

  1. Chlorine compounds remain stable and effective in the presence of excess organic matter.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Section: 09.03
Topic: Control of Microbial Growth

  1. Alcohols are more effective at inactivating enveloped viruses than naked viruses.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.04 Name four categories of cellular targets for physical and chemical agents.
Section: 09.01
Topic: Control of Microbial Growth

  1. Isopropyl alcohol wiped across a skin site can sterilize it.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. Hydrogen peroxide can be used to sterilize instruments such as endoscopes.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.17 Explain the applications of hydrogen peroxide agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. Soaps and detergents are very effective as sterilants.
    FALSE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.04 Name four categories of cellular targets for physical and chemical agents.
Section: 09.01
Topic: Control of Microbial Growth

  1. Pseudomonas is resistant to soaps.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.03
Topic: Control of Microbial Growth

  1. Chlorine and ethylene oxide are sterilizing gases.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Learning Objective: 09.20 Identify applications for ethylene oxide sterilization.
Section: 09.03
Topic: Control of Microbial Growth

 

  1. Analine dyes, like crystal violet, have antimicrobial activity particularly against gram-positive bacteria and some fungi.
    TRUE

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 01. Remember
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.03
Topic: Control of Microbial Growth

 

Multiple Choice Questions
NCLEX Prep – Test Bank Question:  Please read the clinical scenario, and then answer the questions that follow to become familiar with the traditional NCLEX question format.

As an RN in a long-term care facility, you observe precautions to control and prevent the spread of infection.

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.03 Define “-static” and “-cidal.”
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

 

  1. As an RN, you diligently practice proper hand washing technique when your hands are visibly dirty. Which of the following terms appropriately describes the type of antimicrobial control provided by hand washing with soap and water?
    A. sterilization
    B.  disinfection
    C.  decontamination
    D.  antisepsis

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.03 Define “-static” and “-cidal.”
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

  1. As an RN, you utilize an alcohol-based hand cleaner with friction rub when your hands are not visibly dirty. Which of the following terms appropriately describes the type of antimicrobial control provided by alcohol-based hand cleaners?
    A. sterilization
    B.  disinfection
    C.  decontamination
    D.  antisepsis

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.03 Define “-static” and “-cidal.”
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

 

  1. Which concentration of alcohol is deemed most effective in alcohol-based hand cleaners?
    A. 25%
    B.  10%
    C.  70%
    D.  95%

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.03 Define “-static” and “-cidal.”
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

  1. Which of the following microbes are targeted by alcohol-based hand cleaners?
    A. bacteria
    B.  viruses
    C.  fungi
    D.  bacteria, viruses, and fungi

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.03 Define “-static” and “-cidal.”
Learning Objective: 09.13 Name the desirable characteristics of chemical control agents.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

 

NCLEX Prep – Test Bank Question:  Please read the clinical scenario, and then answer the questions that follow to become familiar with the traditional NCLEX question format.

A 13-year-old male is admitted to the pediatric intensive care unit. The patient has a history of mental retardation and cerebral palsy following an anoxic injury as an infant. The patient was admitted 2 months earlier due to aspiration pneumonia, necessitating a lengthy hospital stay, mechanical ventilation, and intravenous antibiotics. His caregiver reports another aspiration event 2 days prior. For the past 24 hours, the patient has been lethargic with a frequent cough producing thick sputum. Upon presentation to the hospital, the patient is noted to have a fever, low oxygen saturations, and low blood pressure. Upon arrival to the intensive care unit, the patient is cool, pale, and has poor pulses and capillary refill. Following administration of intravenous fluid boluses, it is determined the patient needs central venous access for fluid and medication administration. As the RN, you prepare for the sterile procedure.

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Learning Objective: 09.16 Explain the mode of action of chlorhexidine.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

  1. To reduce the patient’s risk of infection, you should assist the physician with applying all of the following prior to the procedure except
    A. sterile gloves.
    B.  foot covers.
    C.  sterile gown.
    D.  mask.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Learning Objective: 09.16 Explain the mode of action of chlorhexidine.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

 

  1. Prior to placement of the central venous line, the patient’s skin is scrubbed with chlorhexidine. Which of the following microorganisms are targeted by this chemical agent?
    A. bacteria
    B.  viruses
    C.  fungi
    D.  bacteria, viruses, and fungi

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Learning Objective: 09.16 Explain the mode of action of chlorhexidine.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

  1. If chlorhexidine is unavailable for the procedure, which of the following chemical agents would also be appropriate as a topical antiseptic?
    A. 2% iodine
    B.  10% potassium iodide
    C.  formaldehyde
    D.  phenol

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Learning Objective: 09.16 Explain the mode of action of chlorhexidine.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

 

  1. Following successful placement of the central venous line, you are diligent to prevent infection when accessing and administering medications. Which of the following actions should be completed prior to use of the line?
    A. hand washing
    B.  disinfection of the access port with alcohol or chlorhexidine prior to use
    C.  application of gloves
    D.  Hand washing, application of gloves, and disinfection of the access port should all be completed prior to use of the line.

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Learning Objective: 09.14 Discuss chlorine and iodine and their uses.
Learning Objective: 09.16 Explain the mode of action of chlorhexidine.
Section: 09.01
Section: 09.03
Topic: Control of Microbial Growth

NCLEX Prep – Test Bank Question:  Please read the clinical scenario, and then answer the questions that follow to become familiar with the traditional NCLEX question format.

A woman who is 38-weeks pregnant is admitted for a scheduled Cesarean section. As the RN, you perform an assessment of the patient and prepare her for the surgery. Prior to the procedure, you prepare to place an indwelling urinary catheter.

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. You prepare the patient for the sterile procedure. Which of the following statements, by the patient, best demonstrates understanding of the need for sterile equipment and aseptic procedures?
    A. “Sterile equipment and aseptic procedures are utilized so there are no microorganisms introduced that could cause infection.”
    B.  “Sterile equipment and aseptic procedures are utilized to reduce trauma to the urinary tract.”
    C.  “Sterile equipment and aseptic procedures are utilized to protect the caregiver from infection.”
    D.  “Sterile equipment and aseptic procedures are utilized so that microorganisms on the skin that could cause infection are removed.”

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

  1. As the RN, you cleanse the urethral opening with an iodine swab. Which of the following terms most appropriately describes this method of microbial control?
    A. disinfectant
    B.  antiseptic
    C.  decontaminant
    D.  sterilant

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

 

  1. While preparing to insert the urinary catheter, the patient moves her leg and touches the sterile field. What is the most appropriate action for you to take as the RN?
    A. continue the procedure and place the catheter appropriately
    B.  clean the catheter with alcohol, and then continue the procedure
    C.  discard the sterile field and obtain new supplies
    D.  clean the catheter with iodine, and then continue the procedure

 

ASM Objective: 03.04 The growth of microorganisms can be controlled by physical, chemical, mechanical, and biological methods.
ASM Topic: Module 03 Metabolic Pathways
Bloom’s Level: 03. Apply
Learning Objective: 09.01 Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and degermation.
Section: 09.01
Topic: Control of Microbial Growth

 

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