Practice Test GeeksCER - Certified Endoscope Reprocessor Practice Test
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Endoscope Reprocessing Fundamentals Flashcards

7 cards from real CER practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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

    Answer: Manual cleaning

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

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

    Answer: 2% glutaraldehyde

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

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

    Answer: It has a shorter exposure time and lower vapor toxicity

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

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

    Answer: Remove it from service and send it for repair

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

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

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

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

  6. What is the correct water quality for the final rinse after high-level disinfection?

    Answer: Sterile water or water filtered through a 0.1-micron filter

    The final rinse must use sterile water or water that has passed through a 0.1-micron or smaller filter to prevent recontamination from waterborne microorganisms.

  7. Which of the following best describes 'minimum effective concentration' (MEC) of a high-level disinfectant?

    Answer: The lowest concentration that still achieves the required level of microbial kill

    MEC is the lowest concentration of a high-level disinfectant that still achieves the required microbial kill; solutions testing below MEC must be discarded.