Scope Inspection and Testing Flashcards
7 cards from real CER practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Scope Inspection and Testing flashcards as text
Which standard establishes the minimum acceptable leak test pressure range for flexible endoscopes?
Answer: Manufacturer's Instructions for Use (IFU)
The manufacturer's IFU specifies the exact pressure range for leak testing each specific endoscope model, and IFU requirements always take precedence.
During inspection, the endoscope's air/water nozzle is found to be missing. What should the reprocessor do?
Answer: Remove the scope from service; a missing nozzle prevents proper lens washing
The air/water nozzle is required for adequate lens washing during procedures; a missing nozzle renders the scope non-functional and it must be removed from service.
What does a 'negative' result on a leak test indicate?
Answer: No pressure loss was detected — the scope is intact
A negative leak test result means no air loss was detected, confirming the scope's outer envelope is intact and safe to proceed with reprocessing.
A colonoscope's bending section shows cracking in the rubber exterior but no bubbling during the leak test. The correct action is to:
Answer: Remove from service — surface cracks can harbor pathogens and progress
Cracks in the bending rubber can harbor biofilm and microorganisms and will worsen over time, requiring removal from service even if no active leak is detected.
The ocular eyepiece of a fiberoptic scope appears hazy and scratched. What is the most significant clinical implication?
Answer: Impaired visualization potentially compromising the procedure
A hazy or scratched ocular eyepiece degrades the endoscopist's image quality, which can impair visualization and compromise procedural safety.
Which of the following channel conditions would MOST indicate incomplete mechanical cleaning?
Answer: Brown or reddish discoloration in channel flush-through fluid
Brown or reddish discoloration in flush-through fluid indicates residual blood or organic debris, signaling that mechanical cleaning was inadequate.
When inspecting a bronchoscope's distal tip under magnification, the reprocessor observes that the biopsy port has a hairline crack. The appropriate response is to:
Answer: Remove from service and complete an incident report
A cracked biopsy port creates a pathway for fluid ingress and patient cross-contamination; the scope must be removed from service and the event documented.