Certified Endoscope Reprocessor (CER) Practice Test 2025 - Free Endoscope Reprocessing Practice Questions and Study Guide

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What is the minimum temperature required for high-level disinfection in endoscopes?

10°C (50°F)

20°C (68°F)

The minimum temperature required for high-level disinfection in endoscopes is 20°C (68°F). At this temperature, the effectiveness of high-level disinfectants increases, allowing for adequate microbial destruction while remaining safe for the fragile materials typically used in endoscopes. This temperature is a critical factor in ensuring that the disinfection process is achieved effectively, as lower temperatures can lead to reduced efficacy of the disinfecting agents used.

Understanding the temperature requirements is essential for maintaining compliance with guidelines and ensuring patient safety. The other temperature options are set too low to achieve high-level disinfection, which necessitates a certain thermodynamic environment to ensure the active components within the disinfectants work effectively against a wide range of pathogens, making 20°C a key threshold in the disinfection process.

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30°C (86°F)

40°C (104°F)

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