CER Scope Inspection and Testing 2

Question 1

During pre-cleaning inspection, a technician notices the insertion tube has a slight spiral twist. What is the correct action?

Accepted Answer

Immediately remove from service and notify the biomedical department

Answer

Continue reprocessing and document the finding

Answer

Straighten the tube manually before proceeding

Answer

Disinfect normally but flag for next scheduled maintenance

Question 2

Which tool is used to verify that suction and biopsy channel lumens meet the minimum diameter specification during scope inspection?

Accepted Answer

Channel diameter gauge or brush compatibility chart

Answer

Channel flushing adaptor

Answer

Leak tester manometer

Answer

Ocular diopter adjuster

Question 3

When performing a leak test on a videoscope, the endoscope must be tested:

Accepted Answer

Dry, before any contact with water or cleaning solution

Answer

After enzymatic soaking to ensure channels are patent

Answer

Submerged with the water-resistant cap removed

Answer

Only after high-level disinfection is completed

Question 4

A steady stream of bubbles rising from the universal cord during a leak test most likely indicates:

Accepted Answer

A breach in the outer sheath of the universal cord

Answer

Normal gas release from residual cleaning solution

Answer

Excessive pressure applied by the leak tester

Answer

Air trapped in the suction channel

Question 5

What is the purpose of bending the insertion tube in all four directions during the functional inspection?

Accepted Answer

To verify angulation wire and control wheel integrity

Answer

To clear debris from angulation wires

Answer

To check the water-jet channel for blockages

Answer

To confirm light transmission through the fiber bundle

Question 6

Which of the following findings during visual inspection would NOT typically require immediate removal from service?

Accepted Answer

Minor surface scratches on the insertion tube with no breach

Answer

A crack in the distal tip housing

Answer

Bent or damaged instrument channel port

Answer

Bubbling from the bending section during leak test

Question 7

After reprocessing, an endoscope is found to have a dried, whitish residue inside the instrument channel. This most likely indicates:

Accepted Answer

Inadequate flushing of cleaning solution or disinfectant

Answer

Normal mineral deposits from the water-jet function

Answer

Proper enzymatic action during cleaning

Answer

High-level disinfectant crystallization — safe to use