SGNA Infection Control and Safety 3

Question 1

What is the minimum soak time for glutaraldehyde 2.4% to achieve high-level disinfection of endoscopes at room temperature?

Accepted Answer

20–45 minutes (per manufacturer instructions)

Answer

5 minutes

Answer

2 hours

Answer

10 minutes

Question 2

What safety precaution is essential when working with glutaraldehyde-based high-level disinfectants?

Accepted Answer

Use in a well-ventilated area with appropriate respiratory protection

Answer

No special precautions needed

Answer

Wear only gloves

Answer

Use at elevated temperatures to enhance safety

Question 3

Which type of transmission-based precaution is required for a patient with active tuberculosis undergoing bronchoscopy?

Accepted Answer

Airborne precautions

Answer

Contact precautions

Answer

Droplet precautions

Answer

Standard precautions only

Question 4

The 'two-nurse rule' in the endoscopy setting refers to what safety practice?

Accepted Answer

Two qualified nurses required during moderate sedation procedures

Answer

Two nurses must sign all controlled substance documentation

Answer

Two nurses needed for all scope reprocessing steps

Answer

Two nurses required for all patient transports

Question 5

A needle stick injury occurs during an endoscopy procedure. What is the FIRST action the affected nurse should take?

Accepted Answer

Wash the wound thoroughly with soap and water and report immediately

Answer

Apply a tourniquet above the injury

Answer

Squeeze out blood from the wound

Answer

Continue with the procedure and report later

Question 6

What is the recommended maximum reuse period for high-level disinfectant solutions like OPA or glutaraldehyde?

Accepted Answer

Per manufacturer's labeled reuse life with daily MEC testing

Answer

Indefinitely if concentration tests pass

Answer

One week regardless of concentration

Answer

24 hours always