IAHCSMM (CRCST) 4

Question 1

What is the correct action when a Bowie-Dick test fails in a pre-vacuum steam sterilizer?

Accepted Answer

Remove the sterilizer from service, investigate the cause, and notify the appropriate personnel

Answer

A failed Bowie-Dick test indicates inadequate air removal in the pre-vacuum sterilizer; the unit must be taken out of service immediately and the cause investigated before returning to use.

Question 2

Which factor is MOST critical in determining the efficacy of manual cleaning of surgical instruments?

Accepted Answer

The friction applied during scrubbing and thoroughness of cleaning

Answer

Manual cleaning relies heavily on mechanical action (friction) to physically remove bioburden, making proper scrubbing technique the most critical factor.

Question 3

What is the recommended relative humidity level in the sterile storage area to protect package integrity?

Accepted Answer

30–60%

Answer

AAMI guidelines recommend maintaining relative humidity between 30–60% in sterile storage to prevent package degradation, condensation, and microbial growth.

Question 4

Which term describes instruments that are used to enter normally sterile tissue or the vascular system and require sterilization?

Accepted Answer

Critical devices

Answer

Critical devices (per the Spaulding Classification) contact sterile tissue or the vascular system and must be sterile before use to prevent serious infection.

Question 5

A surgical instrument with a box-lock joint should be sterilized in what position?

Accepted Answer

Partially open to allow sterilant penetration into the joint

Answer

Box-lock instruments should be placed in the open or partially open position to allow steam or sterilant to contact all surfaces and penetrate the joint area.

IAHCSMM - International Association of Healthcare Central Service Materiel Management Practice Test

IAHCSMM - International Association of Healthcare Central Service Materiel Management Practice Test

IAHCSMM (CRCST) 4