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AEA CERTIFICATION PRACTICE EXAM QUESTIONS AND VERIFIED ANSWERS UPDATED 2025

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AEA CERTIFICATION PRACTICE EXAM QUESTIONS AND VERIFIED ANSWERS UPDATED 2025

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AEA CERTIFICATION
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November 20, 2025
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AEA CERTIFICATION PRACTICE EXAM
QUESTIONS AND VERIFIED ANSWERS UPDATED
2025

◉ Chemical indicator. Answer: A substance (as a dye) used to show
visually usually by its capacity for color change


◉ Alcohol based rub standard. Answer: 60%-90% ethanol or
isopropanol, rub till it evaporates, if it feels dry after 10-15 secs it
wasnt the right amount


◉ Biological indicator. Answer: an indicator consisting of bacterial
spores that is used as a quality control method in autoclaves to
confirm that sterilization has occurred


◉ High-level disinfection. Answer: kills all microorganisms except
spores and prions


◉ Intermediate-level disinfection. Answer: process that kills viruses,
bacteria and fungi but not spores


◉ Low-level disinfection. Answer: Kills some fungi and viruses, and
most bacteria, but is not effective against spores and TB

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