AOC Safety and Infection Control 3

Question 1

What minimum contact time is typically required for a glutaraldehyde solution to achieve high-level disinfection of ophthalmic instruments?

Accepted Answer

20 minutes

Answer

High-level disinfection with 2% glutaraldehyde generally requires a minimum contact time of 20 minutes at room temperature to eliminate vegetative bacteria, mycobacteria, fungi, and most viruses.

Question 2

Which of the following is an example of an engineering control for bloodborne pathogen safety?

Accepted Answer

Safety-engineered needles with retractable sheaths

Answer

Safety-engineered devices such as retractable needles are engineering controls that physically reduce exposure risk, unlike administrative or PPE controls.

Question 3

A healthcare worker sustains a needlestick injury from a patient of unknown HIV status. What is the first immediate action?

Accepted Answer

Wash the wound thoroughly with soap and water

Answer

The first immediate action after a needlestick is to wash the wound thoroughly with soap and water, followed by reporting and assessment for post-exposure prophylaxis.

Question 4

What does 'sterilization' mean in the context of infection control?

Accepted Answer

Elimination of all microbial life including spores

Answer

Sterilization is the complete elimination of all forms of microbial life, including bacterial spores, which distinguishes it from disinfection.

Question 5

Which of the following patients would be classified as an immunocompromised host requiring enhanced infection control precautions?

Accepted Answer

A patient receiving chemotherapy

Answer

Patients receiving chemotherapy have suppressed immune systems and are at heightened risk for opportunistic infections, requiring enhanced protective precautions.

(AOC) American Orthoptic Council Practice Test

(AOC) American Orthoptic Council Practice Test

AOC Safety and Infection Control 3