Question 1

The type of sterilization used in the dental office that requires the highest temperature is:

Accepted Answer

A)  steam autoclave.
B)  chemical vapor.
C)  dry heat sterilization.
D)  chemical liquid sterilization.E) None of the above
F) A) and C)

Question 2

Personal protective equipment (PPE) that must always be used when processing instruments includes:

Accepted Answer

A)  vinyl or latex gloves, a mask, eyewear, and protective clothing.
B)  utility gloves, a mask, eyewear, and protective clothing.
C)  utility gloves, eyewear, and protective clothing, but not a mask.
D)  utility gloves, a mask, and protective clothing, but not eyewear.E) C) and D)
F) B) and C)

Question 3

Instruments used to penetrate soft tissue or bone are termed _____ instruments.

Accepted Answer

A)  noncritical
B)  semicritical
C)  critical
D)  All of the above are correct.E) B) and D)
F) None of the above

Question 4

The ultrasonic cleaner should be cleaned and disinfected:

Accepted Answer

A)  every other day.
B)  once a week.
C)  at least once a day.
D)  once every 28 days.E) B) and C)
F) All of the above

Question 5

Biologic monitoring is also known as _____ testing.

Accepted Answer

A)  bacterial
B)  culture
C)  spore
D)  chemicalE) All of the above
F) A) and D)

Question 6

Instruments need to be bagged before steam sterilization to:

Accepted Answer

A)  protect them from becoming contaminated after sterilization.
B)  allow them to be grouped into special setups by procedure.
C)  keep them from rusting.
D)  do both a andE) A) and B)
F) A) and C)

Question 7

The least desirable method of precleaning dental instruments is:

Accepted Answer

A)  hand scrubbing.
B)  ultrasonic cleaning.
C)  instrument washing machines.
D)  rinsing in a holding solution.E) A) and D)
F) B) and C)

Question 8

The best method to remove debris from the head of the handpiece is to:

Accepted Answer

A)  wipe off with disinfectant.
B)  flush the handpiece for 10 to 20 seconds.
C)  place it in an ultrasonic cleaner.
D)  run water through the handpiece.E) A) and B)
F) A) and C)

Question 9

Recommended methods for sterilizing dental handpieces include:

Accepted Answer

A)  chemical liquid sterilization.
B)  steam sterilization.
C)  chemical vapor sterilization.
D)  both b and cE) None of the above
F) B) and C)

Question 10

At the completion of the cleaning cycle of an ultrasonic cleaning unit,instruments should be:

Accepted Answer

A)  bagged.
B)  rinsed with clear water.
C)  placed in the sterilizer.
D)  put away.E) B) and D)
F) B) and C)

Question 11

Process indicators that change color are useful for:

Accepted Answer

A)  monitoring sterilization.
B)  identifying instrument packs that have been exposed to a certain temperature.
C)  determining whether an instrument package has been processed.
D)  both b and cE) A) and B)
F) A) and C)

Question 12

Ultrasonic cleaner solution:

Accepted Answer

A)  becomes highly contaminated with use.
B)  should be discarded at least once a day.
C)  becomes visibly cloudy when needing to be changed.
D)  all of the above.E) A) and B)
F) A) and C)

Question 13

The order of the cycles of a steam sterilizer is:

Accepted Answer

A)  drying; heat-up; depressurization, sterilizing.
B)  depressurization; heat-up; sterilizing; drying
C)  heat-up; sterilizing, depressurization, drying.
D)  sterilizing; heat-up; depressurization; drying.E) C) and D)
F) All of the above

Question 14

All reusable instruments (critical and semicritical) that contact the patient's blood,saliva,or mucous membranes must be:

Accepted Answer

A)  heat sterilized.
B)  heat sanitized.
C)  precleaned and disinfected.
D)  discarded in a biohazard bag.E) B) and C)
F) A) and C)

Question 15

Which of the following patient care items is classified as a semicritical instrument?

Accepted Answer

A)  Dental bur
B)  Dental hygiene scalers
C)  Lead apron
D)  Rubber dam forcepsE) B) and C)
F) A) and D)

Question 16

A process indicator is placed:

Accepted Answer

A)  inside the instrument package.
B)  outside of the instrument package.
C)  within the chamber.
D)  all of the above.E) All of the above
F) A) and D)

Question 17

An ultrasonic cleaning solution:

Accepted Answer

A)  should be a dilution of a surface disinfectant.
B)  should have an antimicrobial activity that will disinfect the instruments.
C)  should be specially formulated for use in only the ultrasonic cleaner.
D)  does not have enzymatic activity.E) C) and D)
F) A) and B)

Question 18

All of the following statement concerning liquid chemical sterilants are true except they:

Accepted Answer

A)  have a use-life of usually 30 days.
B)  are highly toxic.
C)  require 10 hours for sterilization.
D)  can be disposed of by pouring them down the sink.E) All of the above
F) C) and D)

Question 19

Sterilization destroys:

Accepted Answer

A)  all microbial forms, including bacterial spores.
B)  all microbial forms, except bacterial spores.
C)  bacteria, including bacterial spores and viruses, but not fungi.
D)  bacteria, including bacterial spores and fungi, but not viruses.E) B) and C)
F) None of the above

Question 20

One of the disadvantages of flash sterilization is:

Accepted Answer

A)  the short exposure time.
B)  the high temperature.
C)  an inability to wrap items.
D)  none of the above.E) A) and C)
F) B) and C)

Exam 21: Principles and Techniques of Instrument Processing and Sterilization

The least desirable method of precleaning dental instruments is:

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One of the disadvantages of flash sterilization is:

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The ultrasonic cleaner should be cleaned and disinfected:

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Instruments need to be bagged before steam sterilization to:

Correct AnswerverifiedShow Answer

The best method to remove debris from the head of the handpiece is to:

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The order of the cycles of a steam sterilizer is:

Correct AnswerverifiedShow Answer

A process indicator is placed:

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At the completion of the cleaning cycle of an ultrasonic cleaning unit,instruments should be:

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An ultrasonic cleaning solution:

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All of the following statement concerning liquid chemical sterilants are true except they:

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Instruments used to penetrate soft tissue or bone are termed _____ instruments.

Correct AnswerverifiedShow Answer

Process indicators that change color are useful for:

Correct AnswerverifiedShow Answer

Recommended methods for sterilizing dental handpieces include:

Correct AnswerverifiedShow Answer

Biologic monitoring is also known as _____ testing.

Correct AnswerverifiedShow Answer

Personal protective equipment (PPE) that must always be used when processing instruments includes:

Correct AnswerverifiedShow Answer

Which of the following patient care items is classified as a semicritical instrument?

Correct AnswerverifiedShow Answer

Ultrasonic cleaner solution:

Correct AnswerverifiedShow Answer

The type of sterilization used in the dental office that requires the highest temperature is:

Correct AnswerverifiedShow Answer

All reusable instruments (critical and semicritical) that contact the patient's blood,saliva,or mucous membranes must be:

Correct AnswerverifiedShow Answer

Sterilization destroys:

Correct AnswerverifiedShow Answer

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