CABT Sterilization and Infection Control 3

Question 1

Gamma radiation sterilization is most commonly applied to which category of medical products?

Accepted Answer

Single-use plastic devices and pre-packaged sterile products

Answer

Gamma radiation is widely used by manufacturers for terminal sterilization of single-use plastic devices and packaged sterile products because it penetrates packaging without heat damage.

Question 2

In the Spaulding Classification System, a flexible endoscope that contacts mucous membranes is designated as a:

Accepted Answer

Semi-critical item requiring at minimum high-level disinfection

Answer

Flexible endoscopes contact mucous membranes and are classified as semi-critical items, requiring at minimum high-level disinfection between patients.

Question 3

Which low-temperature sterilization technology is commonly used in hospitals for heat-sensitive devices such as certain flexible endoscopes and electronic components?

Accepted Answer

Hydrogen peroxide gas plasma sterilization

Answer

Hydrogen peroxide gas plasma sterilization operates at approximately 50°C, making it suitable for heat-sensitive devices such as certain scopes and electronic equipment.

Question 4

A biomedical technician finds that a biological indicator from a sterilization load has returned a positive result. What is the most appropriate immediate action?

Accepted Answer

Recall all items from that load and report the failure to the infection control team

Answer

A positive biological indicator signals sterilization failure; all items from the affected load must be recalled and quarantined, and the event reported to infection control for investigation.

Question 5

Which organization publishes ANSI/AAMI ST79, the comprehensive guideline for steam sterilization and sterility assurance in health care facilities?

Accepted Answer

Association for the Advancement of Medical Instrumentation (AAMI)

Answer

AAMI (Association for the Advancement of Medical Instrumentation) publishes ANSI/AAMI ST79, the primary U.S. guideline for steam sterilization practices in healthcare facilities.

(CABT) Certified Associate in Biomedical Technology Practice Test

(CABT) Certified Associate in Biomedical Technology Practice Test

CABT Sterilization and Infection Control 3