CRCST Decontamination 2

Question 1

Which personal protective equipment (PPE) is considered the MINIMUM required when handling soiled instruments in the decontamination area?

Accepted Answer

Gloves, gown, eye protection, and face mask

Answer

OSHA and AAMI standards require gloves, gown, eye protection, and face mask as minimum PPE when handling soiled/contaminated instruments.

Question 2

What is the primary purpose of the decontamination area in a central service department?

Accepted Answer

To remove soil and reduce microbial load on instruments before further processing

Answer

The decontamination area is designed to remove bioburden and soil from instruments to make them safe to handle and prepare them for sterilization.

Question 3

Enzymatic cleaners work best when used at which water temperature?

Accepted Answer

Warm water (approximately 100°F–110°F)

Answer

Enzymatic cleaners are most effective at warm water temperatures around 100°F–110°F because heat activates enzymes without denaturing them.

Question 4

When cleaning lumened instruments such as flexible endoscopes, what critical step must be performed immediately after use?

Accepted Answer

Flush channels with enzymatic solution at the point of use

Answer

Flushing channels with enzymatic solution at point of use prevents biofilm formation and keeps soil from drying, which makes cleaning more effective.

Question 5

Which of the following is the correct sequence for manual cleaning of surgical instruments?

Accepted Answer

Pre-rinse, wash with appropriate detergent, rinse, lubricate if needed, inspect

Answer

The correct sequence is pre-rinse to remove gross soil, wash with detergent, rinse to remove detergent residue, lubricate if required, then inspect.

(CRCST) Certified Registered Central Service Technician Exam Practice Test