CER CER - Certified Endoscope Reprocessor Chemical Disinfectants and Germicides Questions and Answers 1

Question 1

What does MEC stand for in the context of high-level disinfectant testing?

Accepted Answer

Minimum Effective Concentration

Answer

Maximum Exposure Concentration

Answer

Measured Enzyme Content

Answer

Microbial Elimination Capacity

Question 2

Which test strip is used to verify that glutaraldehyde solution maintains its minimum effective concentration?

Accepted Answer

MEC test strips

Answer

pH indicator strips

Answer

Litmus paper

Answer

Chlorine test strips

Question 3

What is the typical reuse life of activated glutaraldehyde 2.4% solution when used for high-level disinfection?

Accepted Answer

14 days

Answer

7 days

Answer

30 days

Answer

1 day

Question 4

Ortho-phthalaldehyde (OPA) provides which primary advantage over glutaraldehyde for endoscope HLD?

Accepted Answer

Less irritating vapors and no activation required

Answer

Faster sporicidal action

Answer

Lower cost per use

Answer

Broader material compatibility with metal instruments

Question 5

Which OSHA regulation establishes the permissible exposure limit (PEL) for glutaraldehyde in healthcare settings?

Accepted Answer

OSHA's Hazard Communication Standard (HCS)

Answer

OSHA's Bloodborne Pathogen Standard

Answer

OSHA's Respiratory Protection Standard

Answer

OSHA's Personal Protective Equipment Standard

Question 6

Peracetic acid-based automated endoscope reprocessors (AERs) operate at what approximate working concentration?

Accepted Answer

0.2–0.35%

Answer

2–4%

Answer

5–10%

Answer

0.05–0.1%