CGRN Scope and Equipment Reprocessing 2

Question 1

What endoscope channel is most frequently associated with reprocessing failures and infection transmission?

Accepted Answer

Elevator channel of duodenoscopes

Answer

Air/water channel

Answer

Suction/biopsy channel

Answer

Light guide channel

Question 2

What is the correct sequence of steps in manual endoscope reprocessing?

Accepted Answer

Pre-clean, leak test, manual clean, rinse, HLD, rinse, dry

Answer

Disinfect, clean, rinse, dry

Answer

Rinse, disinfect, clean, store

Answer

Clean, sterilize, rinse, use

Question 3

A biopsy channel brush emerges with frayed bristles. What action should be taken?

Accepted Answer

Discard immediately and inspect the scope channel for damage

Answer

Continue using until scheduled replacement

Answer

Trim the bristles and reuse

Answer

Soak in disinfectant to restore

Question 4

What is the purpose of the alcohol flush step in endoscope reprocessing?

Accepted Answer

Facilitate drying by displacing residual water in channels

Answer

Additional disinfection

Answer

Sterilize the channels

Answer

Lubricate the channels

Question 5

How often should AERs be validated for proper function?

Accepted Answer

At installation, after maintenance/repair, and at regular intervals per manufacturer recommendations

Answer

Annually only

Answer

Only when an infection is reported

Answer

Monthly visual inspection is sufficient

Question 6

What water quality standard is required for the final rinse after high-level disinfection?

Accepted Answer

Sterile water, bacteria-free filtered water, or water meeting AAMI standards

Answer

Tap water

Answer

Distilled water only

Answer

Any potable water