MDRAO High-Level Disinfection 3

Question 1

Automated endoscope reprocessors (AERs) offer which primary advantage over manual HLD?

Accepted Answer

They provide standardized, reproducible disinfection cycles with reduced worker exposure

Answer

They eliminate the need for pre-cleaning of endoscopes

Answer

They use higher concentrations of disinfectant than manual methods

Answer

They are approved for sterilization of flexible endoscopes

Question 2

Once activated (mixed with activator), a typical glutaraldehyde HLD solution has a reuse life of:

Accepted Answer

28 days

Answer

7 days

Answer

14 days

Answer

60 days

Question 3

Accelerated hydrogen peroxide (AHP) used for high-level disinfection is considered advantageous because:

Accepted Answer

It has low toxicity and breaks down into water and oxygen

Answer

It leaves a protective residue on devices after processing

Answer

It is compatible with all metals including aluminum without any corrosion

Answer

It achieves HLD without requiring any rinsing step

Question 4

Which documentation element is MOST critical to record when performing high-level disinfection?

Accepted Answer

MEC test result, contact time, date, technician ID, and device identifier

Answer

The color of the disinfectant solution

Answer

The number of devices processed in the same solution

Answer

Only the patient name and procedure date

Question 5

Before selecting a high-level disinfectant for a specific device, the reprocessing technician should FIRST consult:

Accepted Answer

The device manufacturer's Instructions for Use (IFU)

Answer

The disinfectant manufacturer's marketing materials

Answer

A coworker with the most experience

Answer

The facility's purchasing department

Question 6

The 'reuse life' of an HLD solution differs from 'use life' in that reuse life refers to:

Accepted Answer

The total calendar time from activation the solution may be used, assuming MEC is maintained

Answer

The number of times the solution can be tested with MEC strips

Answer

The number of devices that can be processed in one batch

Answer

The time the solution remains active before opening the container

Question 7

When disposing of used glutaraldehyde HLD solution, the technician should:

Accepted Answer

Follow local regulations, which may require neutralization or specific disposal procedures

Answer

Pour it directly down the drain without restriction

Answer

Mix it with bleach to neutralize it before disposal

Answer

Store it in an unlabeled container for future use