DANB CDA Infection Control Procedures

Question 1

What is the proper order for donning personal protective equipment (PPE) in a dental setting?

Accepted Answer

Gown, mask, eyewear, gloves

Answer

Gloves, gown, mask, eyewear

Answer

Mask, gloves, gown, eyewear

Answer

Eyewear, gloves, mask, gown

Question 2

What level of disinfection is required for dental handpieces between patients?

Accepted Answer

Sterilization by heat (autoclave)

Answer

High-level disinfection with chemical agents

Answer

Intermediate-level disinfection with wipes

Answer

Low-level surface disinfection

Question 3

What is the purpose of a biological indicator (spore test) in sterilization monitoring?

Accepted Answer

To verify that the sterilizer is effectively killing all microorganisms

Answer

To check the temperature of the autoclave

Answer

To measure the water quality in the sterilizer

Answer

To test the packaging materials for integrity

Question 4

How often should biological monitoring of sterilizers be performed according to CDC guidelines?

Accepted Answer

At least weekly

Answer

Daily

Answer

Monthly

Answer

Every six months

Question 5

What is the minimum contact time for most EPA-registered surface disinfectants used in dentistry?

Accepted Answer

The time specified on the product label (typically 1-10 minutes)

Answer

30 seconds

Answer

30 minutes

Answer

24 hours

Question 6

What classification of instrument is a mouth mirror?

Accepted Answer

Semi-critical (contacts mucous membranes but does not penetrate tissue)

Answer

Critical (penetrates soft tissue or bone)

Answer

Non-critical (contacts intact skin only)

Answer

Environmental surface