CER Endoscope Repair and Maintenance 2

Question 1

Which component of a flexible endoscope is most commonly damaged by improper angulation during use?

Accepted Answer

Angulation wires

Answer

Biopsy channel liner

Answer

Light guide bundle

Answer

Air/water channel

Question 2

A reprocessor notices the endoscope tip will not deflect fully in one direction. What is the MOST likely cause?

Accepted Answer

Broken or stretched angulation wire

Answer

Contaminated biopsy port

Answer

Clogged air/water channel

Answer

Damaged video chip

Question 3

What type of damage does prolonged exposure to aldehydes cause to endoscope insertion tube sheaths?

Accepted Answer

Softening and swelling of the polymer sheath

Answer

Discoloration only

Answer

Crystalline deposits on the surface

Answer

Increased flexibility

Question 4

When performing a leak test, steady bubbling from the biopsy channel opening most likely indicates:

Accepted Answer

A perforation in the biopsy channel

Answer

Normal air purging

Answer

Inadequate air pressure

Answer

A faulty leak tester connection

Question 5

Which maintenance task should be performed on endoscope light guide connectors to prevent damage?

Accepted Answer

Inspecting and cleaning the optical surfaces with approved wipes

Answer

Soaking in enzymatic solution daily

Answer

Autoclaving after every use

Answer

Lubricating with mineral oil

Question 6

An endoscope's biopsy channel shows resistance when passing a cleaning brush. What should the reprocessor do FIRST?

Accepted Answer

Remove the brush and inspect the channel for damage

Answer

Increase brush force to clear the blockage

Answer

Soak the scope in enzymatic cleaner for 24 hours

Answer

Proceed with disinfection and note the issue later

Question 7

What is the purpose of the endoscope control body's rubber exterior during transport?

Accepted Answer

Protects internal components from impact and moisture ingress

Answer

Provides antimicrobial protection

Answer

Aids in grip during procedures only

Answer

Indicates sterilization status