CER Endoscope Repair and Maintenance Questions and Answers 3

Question 1

Which type of damage is most commonly associated with improper coiling of flexible endoscopes during transport?

Accepted Answer

Light guide fiber fracture

Answer

Tight or improper coiling stresses the light guide bundle, causing individual fibers to fracture and resulting in black spots in the image.

Question 2

When inspecting an endoscope's insertion tube, a visible kink indicates:

Accepted Answer

Damage requiring repair before reuse

Answer

A kinked insertion tube indicates structural damage to the braid or coil layers that compromises function and must be repaired before clinical use.

Question 3

What is the recommended minimum bend radius specification used when storing flexible endoscopes in a drying cabinet?

Accepted Answer

As specified by the manufacturer's IFU

Answer

Manufacturers specify minimum bend radii in their IFUs to prevent internal component stress during storage; these values vary by model.

Question 4

A technician notices the up/down angulation control is stiff but the left/right control moves freely. The most likely cause is:

Accepted Answer

A broken angulation chain on the up/down axis

Answer

Stiffness in one angulation axis while the other moves freely typically indicates a broken or stretched angulation chain or wire in that specific axis.

Question 5

Which preventive maintenance task should be performed on endoscope valves and caps after every use?

Accepted Answer

Inspection for cracks, tears, and O-ring integrity

Answer

Valves and caps must be inspected after each use for cracks, tears, and O-ring integrity to ensure leak-tight function during reprocessing and use.

CER - Certified Endoscope Reprocessor Practice Test

CER - Certified Endoscope Reprocessor Practice Test

CER Endoscope Repair and Maintenance Questions and Answers 3