NDAEB Infection Control Exam/ Actual Exam Questions
with Correct Verified Answers/ Latest Update 2024.
OSHA does NOT mandate the training of dental personnel in which area?
a. Blood-borne Pathogens Standard
b. Hazard communication standard
c. Specialty safety standards
d. General safety standards - Correct Answer - C
Which is an example of regulated medical waste?
a. Used examination gloves
b. Used disposable gowns
c. Used anesthetic needles
d. Used surgical masks - Correct Answer – C
The process that inactivates all microbial life, including bacterial spores, viruses,
bacteria, and fungi is called:
a. sterilization.
b. low-level disinfection.
c. high-level disinfection.
d. precleaning. - Correct Answer - A
A contaminated dental chart exemplifies which mode of disease transmission?
a. Direct contact
, 2
b. Indirect contact
c. Droplet infection
d. Airborne infection - Correct Answer - B
When using an ultrasonic cleaner, which is correct procedure?
a. Routine cleaning takes about 60 seconds.
b. Use a basket for loose instruments.
c. Hand scrub instruments before placing in the ultrasonic cleaner.
d. 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:
a. the waterline has such a narrow tube.
b. chemicals cannot be sucked into the hoses.
c. patients close their lips around the high-speed suction.
d. city water contains over 500 colony-forming units (CFUs) per milliliter (ml). - Correct
Answer - A
Waterless antiseptic agents are:
a. less effective than plain soap at reducing microbial flora.
b. effective at concentrations of 40% to 50%.
c. contains emollients that reduce incidences of skin irritation.
d. not doses sensitive. - Correct Answer - C
Which are NOT killed or inactivated by intermediate-level disinfection?
a. Spores
b. Bacteria
c. Viruses
, 3
d. Fungi - Correct Answer - A
Which can kill bacterial spores, tuberculosis, and viruses?
a. Low-level disinfectant
b. Intermediate-level disinfectant
c. High-level disinfectant - Correct Answer - C
Which is a clinical touch surface?
a. Instrument tray
b. Light handle
c. Countertop
d. Handpiece holder - Correct Answer - B
Which combination produces the greatest amount of instrument rusting and dulling?
a. Carbon steel instruments in a steam sterilizer
b. Stainless steel instruments in an unsaturated chemical vapor sterilizer
c. Carbon steel in a dry heat sterilizer
d. 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):
a. waiver stating the employee will never request the vaccine.
b. waiver assuming the cost of the vaccine, should the employee change his or her
mind.
c. informed refusal that is kept on file in the dental office.
d. informed refusal that is sent to OSHA. - Correct Answer - C
The hepatitis B (HBV) vaccination must be:
a. accepted by the employee.
b. offered free by the employer.
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