DANB ICE Infection Prevention & Sterilization 3

Question 1

What is the purpose of a process challenge device (PCD) used during biological monitoring?

Accepted Answer

To create a defined worst-case challenge to the sterilization process

Answer

To hold instruments during sterilization

Answer

To measure chamber temperature

Answer

To test the autoclave door seal

Question 2

What is the role of enzymatic indicators in monitoring the cleaning step of reprocessing?

Accepted Answer

They detect residual protein on instruments to verify cleaning adequacy

Answer

They verify sterilization temperatures

Answer

They measure cleaning solution pH

Answer

They test for antibiotic-resistant bacteria

Question 3

How should single-use dental devices be handled per CDC guidelines?

Accepted Answer

Must be used once and disposed of—never reprocessed

Answer

May be reprocessed up to 3 times if sterilized

Answer

Can be shared between household members

Answer

May be reprocessed if manufacturer doesn't prohibit it

Question 4

What is the purpose of pre-procedural mouth rinsing in dental infection control?

Accepted Answer

To reduce oral microorganisms released in aerosols and spatter during procedures

Answer

To replace hand hygiene

Answer

To sterilize the oral cavity

Answer

To diagnose oral infections

Question 5

What distinguishes intermediate-level from low-level disinfection in dental surface management?

Accepted Answer

Intermediate kills mycobacteria; low-level does not reliably kill mycobacteria

Answer

They are identical

Answer

Low-level is stronger

Answer

The difference is only contact time

Question 6

How should dental impressions be handled before sending to a laboratory?

Accepted Answer

Rinse to remove debris and disinfect per impression material manufacturer's guidelines

Answer

Send directly without treatment

Answer

Sterilize all impressions in the autoclave

Answer

Soak in alcohol for 24 hours