NDAEB Infection Control Exam Actual Exam Questions

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NDAEB Infection Control Exam/ Actual Exam Questions with Correct Verified Answers/ Latest Update .

OSHA does NOT mandate the training of dental personnel in which area?

• Blood-borne Pathogens Standard
• Hazard communication standard
• Specialty safety standards
• General safety standards - Correct Answer - C

Which is an example of regulated medical waste?

• Used examination gloves
• Used disposable gowns
• Used anesthetic needles
• Used surgical masks - Correct Answer – C

The process that inactivates all microbial life, including bacterial spores, viruses,

bacteria, and fungi is called:

• sterilization.
• low-level disinfection.
• high-level disinfection.
• precleaning. - Correct Answer - A

A contaminated dental chart exemplifies which mode of disease transmission?

• Direct contact 1 / 3

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• Indirect contact
• Droplet infection
• Airborne infection - Correct Answer - B

When using an ultrasonic cleaner, which is correct procedure?

• Routine cleaning takes about 60 seconds.
• Use a basket for loose instruments.
• Hand scrub instruments before placing in the ultrasonic cleaner.
• Use dishwashing detergents; they are cost effective and efficient. - Correct Answer -

B

Biofilm starts to form on the inside of DUWLs as water begins to flow through the unit

because:

• the waterline has such a narrow tube.
• chemicals cannot be sucked into the hoses.
• patients close their lips around the high-speed suction.
• city water contains over 500 colony-forming units (CFUs) per milliliter (ml). - Correct

Answer - A

Waterless antiseptic agents are:

• less effective than plain soap at reducing microbial flora.
• effective at concentrations of 40% to 50%.
• contains emollients that reduce incidences of skin irritation.
• not doses sensitive. - Correct Answer - C

Which are NOT killed or inactivated by intermediate-level disinfection?

• Spores
• Bacteria
• Viruses 2 / 3

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• Fungi - Correct Answer - A

Which can kill bacterial spores, tuberculosis, and viruses?

• Low-level disinfectant
• Intermediate-level disinfectant
• High-level disinfectant - Correct Answer - C

Which is a clinical touch surface?

• Instrument tray
• Light handle
• Countertop
• Handpiece holder - Correct Answer - B

Which combination produces the greatest amount of instrument rusting and dulling?

• Carbon steel instruments in a steam sterilizer
• Stainless steel instruments in an unsaturated chemical vapor sterilizer
• Carbon steel in a dry heat sterilizer
• Stainless steel instruments in a steam sterilizer - Correct Answer - A

An employee who voluntarily forgoes the hepatitis B vaccination is required to sign a(n):

• waiver stating the employee will never request the vaccine.
• waiver assuming the cost of the vaccine, should the employee change his or her

mind.

• informed refusal that is kept on file in the dental office.
• informed refusal that is sent to OSHA. - Correct Answer - C

The hepatitis B (HBV) vaccination must be:

• accepted by the employee.
• offered free by the employer.
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