CER Endoscope Reprocessing Fundamentals Questions and Answers 3 — Questions and Answers
Question 1: Which organization publishes the primary guidelines for endoscope reprocessing in the United States?
- AAMI
- SGNA (Correct answer)
- CDC
- AORN
Correct answer: SGNA
The Society of Gastroenterology Nurses and Associates (SGNA) publishes the primary evidence-based standards for endoscope reprocessing.
Question 2: What is the minimum number of channels that must be flushed with enzymatic detergent during manual cleaning of a flexible endoscope?
- Only the biopsy channel
- All accessible channels (Correct answer)
- Only channels visibly soiled
- Only the air/water channel
Correct answer: All accessible channels
All accessible channels must be flushed with enzymatic detergent to ensure thorough removal of bioburden from every lumen.
Question 3: What is the primary reason endoscopes must be transported in a closed, leak-proof container after use?
- To prevent physical damage
- To prevent cross-contamination and exposure risk (Correct answer)
- To maintain moisture on the scope
- To keep the scope warm
Correct answer: To prevent cross-contamination and exposure risk
Closed, leak-proof containers prevent cross-contamination and protect staff from exposure to potentially infectious material.
Question 4: Which of the following is a characteristic of a high-level disinfectant (HLD) used for endoscope reprocessing?
- Kills only vegetative bacteria
- Kills all microbial life except high numbers of bacterial spores (Correct answer)
- Sterilizes the endoscope completely
- Eliminates only fungi and viruses
Correct answer: Kills all microbial life except high numbers of bacterial spores
High-level disinfectants kill all microbial life including mycobacteria, fungi, and viruses, but may not eliminate high concentrations of bacterial spores.
Question 5: How should reprocessing personnel verify that an enzymatic detergent solution has been diluted correctly?
- By observing suds formation
- By following manufacturer's instructions for concentration testing (Correct answer)
- By smelling the solution
- By checking water temperature only
Correct answer: By following manufacturer's instructions for concentration testing
Manufacturer's instructions must be followed for concentration testing, which may include test strips or titration methods specific to the product.
Question 6: What does 'OPA' stand for in the context of endoscope high-level disinfection?
- Orthophthalaldehyde (Correct answer)
- Ortho-peroxyacetic acid
- Organic peracid agent
- Oxidizing peroxide additive
Correct answer: Orthophthalaldehyde
OPA stands for orthophthalaldehyde, a high-level disinfectant commonly used as an alternative to glutaraldehyde for endoscope reprocessing.
Question 7: When performing a leak test on a flexible endoscope, what should be done if a leak is detected?
- Continue reprocessing and document the finding
- Remove the scope from service and send for repair (Correct answer)
- Patch the leak and continue use
- Increase disinfectant contact time to compensate
Correct answer: Remove the scope from service and send for repair
A scope with a confirmed leak must be removed from service immediately and sent for repair to prevent patient injury and disinfectant damage to internal components.
Which organization publishes the primary guidelines for endoscope reprocessing in the United States?