Certified Endoscope Reprocessor (CER) Practice Test 2025 – Your All-in-One Guide to Exam Success!

Question: 1 / 400

What is one of the major factors contributing to the effectiveness of disinfection?

Environmental temperature

Presence of organic material

The presence of organic material significantly affects the effectiveness of disinfection. Disinfectants are designed to kill or inactivate pathogens, but organic material such as blood, tissue, and other biological matter can create a barrier that protects microorganisms from the action of the disinfectant. This means that in environments or on surfaces that are contaminated with organic debris, the disinfectant may not reach or effectively eliminate all pathogens, thereby reducing its effectiveness. Therefore, proper cleaning to remove organic material prior to disinfection is essential to ensure that the disinfectant can adequately perform its intended purpose.

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Type of surface being disinfected

Duration of exposure to disinfectant

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