CRCST Packaging 3

Question 1

According to ANSI/AAMI ST79, which class of chemical indicator is considered the most sophisticated internal indicator for steam sterilization?

Accepted Answer

Class 6

Answer

Class 6 emulating indicators are cycle-specific and react to all critical sterilization parameters, making them the most sophisticated internal indicator.

Question 2

Which of the following is a contraindication for using a paper/plastic peel pouch?

Accepted Answer

Sharp or pointed instruments that could puncture the packaging

Answer

Sharp or pointed instruments can puncture peel pouches, compromising the sterile barrier and requiring rigid or puncture-resistant packaging instead.

Question 3

How should rigid sterilization container filters be inspected before use?

Accepted Answer

Checked for holes, tears, or contamination and replaced if compromised

Answer

Container filters must be visually inspected for physical damage such as holes or tears and replaced if any defects are found to maintain sterile barrier integrity.

Question 4

What information must be included on the external label of a sterilized package?

Accepted Answer

Contents, sterilization date, lot number, and technician ID

Answer

Labels must include contents, sterilization date or load number, lot/load control number, and technician identifier for traceability.

Question 5

Which type of packaging is required for ethylene oxide (EO) sterilization to allow adequate gas penetration and aeration?

Accepted Answer

Permeable materials such as paper/plastic pouches or nonwoven wraps

Answer

EO sterilization requires permeable packaging materials to allow gas penetration during sterilization and aeration of residuals afterward.

(CRCST) Certified Registered Central Service Technician Exam Practice Test

(CRCST) Certified Registered Central Service Technician Exam Practice Test

CRCST Packaging 3