CABT Sterilization and Infection Control 2

Question 1

High-level disinfection (HLD) differs from sterilization in that HLD:

Accepted Answer

Eliminates all microorganisms except high numbers of bacterial spores

Answer

High-level disinfection eliminates all microorganisms except high concentrations of bacterial spores, whereas sterilization destroys all forms of microbial life.

Question 2

Which class of chemical indicator provides the most reliable evidence that all critical parameters of a sterilization cycle were met?

Accepted Answer

Class 5 integrating indicators

Answer

Class 5 integrating indicators respond to all critical sterilization parameters (time, temperature, and sterilant) and provide the highest chemical indicator assurance level.

Question 3

According to OSHA's Bloodborne Pathogen Standard, what practice must biomedical technicians follow when handling potentially contaminated equipment?

Accepted Answer

Following Standard Precautions with appropriate PPE for all potentially infectious material

Answer

OSHA's Bloodborne Pathogen Standard mandates Standard Precautions — appropriate PPE must be used whenever handling equipment potentially contaminated with blood or body fluids.

Question 4

Which water type is recommended for use in steam sterilizers to prevent mineral scaling and equipment damage?

Accepted Answer

Distilled or deionized water

Answer

Distilled or deionized water is recommended because it lacks minerals found in tap water that cause scaling deposits in sterilizer chambers and on instrument surfaces.

Question 5

When storing sterile packages after processing, which factor is most critical for maintaining sterility?

Accepted Answer

Maintaining packaging integrity and protecting from moisture and physical damage

Answer

Sterility is event-related; it depends on the integrity of the packaging rather than time, so intact, undamaged, dry packaging preserves sterility indefinitely.

(CABT) Certified Associate in Biomedical Technology Practice Test

(CABT) Certified Associate in Biomedical Technology Practice Test

CABT Sterilization and Infection Control 2