NDECC Infection Control and Sterilization 2

Question 1

What does the term 'spaulding classification' refer to in dental infection control?

Accepted Answer

A framework for categorizing dental instruments by sterilization or disinfection level required

Answer

A rating system for personal protective equipment

Answer

A scale for measuring microbial contamination on surfaces

Answer

A federal guideline for dental waste disposal

Question 2

Under the Spaulding classification, a mouth mirror used during a dental examination is classified as:

Accepted Answer

Semicritical

Answer

Critical

Answer

Noncritical

Answer

Non-reusable

Question 3

Which of the following is an acceptable method for monitoring the sterilization process on a routine basis?

Accepted Answer

A combination of mechanical, chemical, and biological monitoring

Answer

Mechanical indicators (gauges and printouts) only

Answer

Chemical indicators only

Answer

Biological indicators (spore tests) only

Question 4

How frequently should biological monitoring (spore testing) be performed on a steam autoclave in a dental office?

Accepted Answer

At least weekly

Answer

Daily

Answer

Monthly

Answer

Only after a sterilization failure is suspected

Question 5

Contaminated single-use sharps (needles, scalpel blades) generated during dental procedures must be:

Accepted Answer

Placed in a puncture-resistant sharps container immediately after use

Answer

Recapped using a two-handed technique before disposal

Answer

Placed in regular trash if capped

Answer

Autoclaved before being placed in any waste container

Question 6

A dental assistant experiences a needlestick injury from a contaminated needle. What is the FIRST action that should be taken?

Accepted Answer

Immediately wash the wound thoroughly with soap and water

Answer

Report the incident to the office manager

Answer

Apply antiseptic and bandage the wound

Answer

Seek post-exposure prophylaxis from a physician

Question 7

Which chemical disinfectant class is appropriate for intermediate-level disinfection of clinical contact surfaces in the dental operatory?

Accepted Answer

EPA-registered hospital disinfectants with tuberculocidal claim

Answer

Quaternary ammonium compounds alone

Answer

Alcohol-based hand rubs

Answer

Iodophors diluted for surface use