Question 1

High-level disinfection is a process that destroys all

Accepted Answer

A)  pathogenic microorganisms.
B)  microorganisms and spores.
C)  microorganisms except tubercle bacilli.
D)  microorganisms but not spores.E) A) and B)
F) All of the above

Question 2

The most common temperature and pressure used for autoclaving is _____ pounds of pressure/square inch

Accepted Answer

A)  320° F at 20
B)  145° F at 20
C)  212° F at 15
D)  250° F at 15E) A) and C)
F) A) and D) D

Question 3

Which of the following should be used to disinfect a laboratory work surface?

Accepted Answer

A)  Soap
B)  Phenol
C)  Glutaraldehyde
D)  IodineE) B) and C)
F) None of the above

Question 4

Which of the following must be resterilized?

Accepted Answer

A)  A pack that has been dropped
B)  A pack that has opened up
C)  A pack that has gotten wet
D)  A pack that is torn
E)  All of the aboveF) A) and C)
G) B) and C)

Question 5

Why should all organic matter be removed from an article before it is disinfected?

Accepted Answer

A)  To prevent the article from rusting
B)  To prevent stains on the article
C)  To allow the disinfectant to reach all parts of the article
D)  To ensure the proper working condition of the articleE) B) and C)
F) A) and D)

Question 6

Which of the following is used most often to sterilize articles in the medical office?

Accepted Answer

A)  Dry heat oven
B)  Ethylene oxide sterilizer
C)  Autoclave
D)  Chemical agentsE) B) and C)
F) A) and D) C

Question 7

Which of the following represents an error in technique when loading the autoclave?

Accepted Answer

A)  Placing articles 1/2 inch apart
B)  Placing glassware on their sides
C)  Placing a dressing pack in a vertical position
D)  Positioning sterilization pouches on their sidesE) A) and B)
F) A) and C)

Question 8

Something that is sterile is free of

Accepted Answer

A)  pathogens.
B)  all living microorganisms.
C)  all living microorganisms and spores.
D)  nonpathogens.E) B) and C)
F) A) and D)

Question 9

Dry heat is preferred for sterilizing

Accepted Answer

A)  disposable syringes.
B)  vaginal specula.
C)  flexible sigmoidoscopes.
D)  instruments with sharp cutting edges.E) A) and C)
F) B) and C)

Question 10

All of the following are guidelines for working with glutaraldehyde (Cidex) except

Accepted Answer

A)  work in a well-ventilated area.
B)  wear safety goggles.
C)  wear utility gloves.
D)  store the glutaraldehyde container in a warm, dry area.E) B) and D)
F) A) and C) D

Question 11

Sterilization strips should be positioned

Accepted Answer

A)  on the bottom tray of the autoclave.
B)  on the top tray of the autoclave.
C)  in the center of the wrapped pack.
D)  on the outside of the pack.E) None of the above
F) All of the above

Question 12

The wrapper used to autoclave articles should

Accepted Answer

A)  prevent contaminants from getting in during handling and storage.
B)  be made of a substance that does not tear or puncture easily.
C)  be made of a substance not affected by the sterilization process.
D)  allow steam to penetrate it.
E)  do all of the above.F) A) and C)
G) C) and E)

Question 13

The purpose of wrapping articles before they are sterilized in the autoclave is to

Accepted Answer

A)  permit better steam penetration during autoclaving.
B)  protect the articles from recontamination after autoclaving.
C)  ensure complete destruction of all pathogens.
D)  protect the articles from damage.
E)  do all of the above.F) A) and B)
G) A) and E)

Question 14

Which of the following is true regarding an MSDS?

Accepted Answer

A)  It provides information regarding hazardous chemicals.
B)  It must be kept on file for each hazardous chemical stored in the workplace.
C)  It must be readily available to employees.
D)  It is available from the manufacturer of the hazardous chemical.
E)  All of the above are true.F) A) and C)
G) A) and B)

Question 15

The agent used to destroy microorganisms on an article depends on the

Accepted Answer

A)  size of the article.
B)  intended use of the article.
C)  number of microorganisms present on the article.
D)  weight of the article.E) A) and D)
F) A) and C)

Question 16

The most reliable sterilization indicators check for

Accepted Answer

A)  attainment of the proper temperature and the duration of the temperature.
B)  whether the article has been in the autoclave.
C)  attainment of the proper temperature and pressure.
D)  presence of trapped air in the autoclave.E) All of the above
F) B) and D)

Question 17

All of the following statements are true regarding cold sterilization with a chemical agent except

Accepted Answer

A)  the chemical must be designated as a sterilant by the EPA.
B)  items must be submerged in the chemical for 6 to 24 hours.
C)  each time a new item is added to the chemical, the clock must be reset for the entire amount of time.
D)  it is the preferred method for sterilizing instruments with sharp cutting edges.E) B) and D)
F) B) and C)

Question 18

Which of the following would be best to use to wrap a large minor office surgery tray setup?

Accepted Answer

A)  Sterilization pouch
B)  Muslin
C)  Aluminum foil
D)  Sterilization paperE) B) and C)
F) A) and C)

Question 19

What type of water should be used in the autoclave?

Accepted Answer

A)  Salt water
B)  Tap water
C)  Distilled water
D)  Mineral waterE) A) and B)
F) None of the above

Question 20

The recommended exposure time and temperature for a dry heat oven is

Accepted Answer

A)  250° F for 1 hour.
B)  320° F for 1 to 2 hours.
C)  320° F for 15 to 20 minutes.
D)  212° F for 20 to 30 minutes.E) A) and B)
F) A) and C)

Exam 3: Sterilization and Disinfection

High-level disinfection is a process that destroys all

Correct AnswerverifiedShow Answer

The most common temperature and pressure used for autoclaving is _____ pounds of pressure/square inch

Correct AnswerverifiedD

Which of the following should be used to disinfect a laboratory work surface?

Correct AnswerverifiedShow Answer

Which of the following must be resterilized?

Correct AnswerverifiedShow Answer

Why should all organic matter be removed from an article before it is disinfected?

Correct AnswerverifiedShow Answer

Which of the following is used most often to sterilize articles in the medical office?

Correct AnswerverifiedC

Which of the following represents an error in technique when loading the autoclave?

Correct AnswerverifiedShow Answer

Something that is sterile is free of

Correct AnswerverifiedShow Answer

Dry heat is preferred for sterilizing

Correct AnswerverifiedShow Answer

All of the following are guidelines for working with glutaraldehyde (Cidex) except

Correct AnswerverifiedD

Sterilization strips should be positioned

Correct AnswerverifiedShow Answer

The wrapper used to autoclave articles should

Correct AnswerverifiedShow Answer

The purpose of wrapping articles before they are sterilized in the autoclave is to

Correct AnswerverifiedShow Answer

Which of the following is true regarding an MSDS?

Correct AnswerverifiedShow Answer

The agent used to destroy microorganisms on an article depends on the

Correct AnswerverifiedShow Answer

The most reliable sterilization indicators check for

Correct AnswerverifiedShow Answer

All of the following statements are true regarding cold sterilization with a chemical agent except

Correct AnswerverifiedShow Answer

Which of the following would be best to use to wrap a large minor office surgery tray setup?

Correct AnswerverifiedShow Answer

What type of water should be used in the autoclave?

Correct AnswerverifiedShow Answer

The recommended exposure time and temperature for a dry heat oven is

Correct AnswerverifiedShow Answer

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C

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D

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