CER Endoscope Reprocessing Fundamentals 3

Question 1

When using an automated endoscope reprocessor (AER), which step must still be performed manually first?

Accepted Answer

Manual cleaning

Answer

Manual cleaning must always precede AER use because automated reprocessors cannot remove gross contamination; they are designed for disinfection, not cleaning.

Question 2

Which of the following high-level disinfectants requires a minimum exposure time of 20 minutes at 20°C?

Accepted Answer

2% glutaraldehyde

Answer

2% glutaraldehyde requires at least 20 minutes at 20°C (68°F) to achieve high-level disinfection of flexible endoscopes.

Question 3

What is the main advantage of ortho-phthalaldehyde (OPA) over glutaraldehyde for endoscope reprocessing?

Accepted Answer

It has a shorter exposure time and lower vapor toxicity

Answer

OPA offers a shorter required exposure time (12 minutes) and produces significantly lower vapor pressure than glutaraldehyde, reducing occupational exposure risks.

Question 4

What action should be taken if an endoscope fails a leak test?

Accepted Answer

Remove it from service and send it for repair

Answer

An endoscope that fails a leak test must be removed from service immediately and sent for repair, as immersion can cause extensive internal damage.

Question 5

Which personal protective equipment (PPE) is required when handling high-level disinfectants like glutaraldehyde?

Accepted Answer

Chemical-resistant gloves, gown, eye protection, and face shield

Answer

Chemical-resistant gloves, a gown, eye protection, and a face shield are required when handling glutaraldehyde because it is a potent sensitizer and irritant.

CER - Certified Endoscope Reprocessor Practice Test

CER - Certified Endoscope Reprocessor Practice Test

CER Endoscope Reprocessing Fundamentals 3