Endoscope Reprocessing Fundamentals 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 Endoscope Reprocessing Fundamentals flashcards as text
What is the significance of documenting the lot number of disinfectant used during each reprocessing cycle?
Answer: It enables traceability in the event of a product recall or outbreak investigation
Lot number documentation enables complete traceability in the event of a product recall or an infection outbreak investigation, linking specific patients to specific reprocessing agents.
When should endoscope reprocessing personnel test the concentration of a reusable high-level disinfectant solution?
Answer: Before each use of the solution
The concentration of reusable high-level disinfectant must be tested with a chemical test strip before each use to confirm it meets or exceeds the minimum effective concentration.
What risk does inadequate drying of endoscope channels before storage pose?
Answer: Proliferation of waterborne microorganisms and biofilm formation
Residual moisture in channels provides a favorable environment for waterborne microorganisms like Pseudomonas aeruginosa to multiply and form biofilm before the next patient use.
Which reprocessing step is specifically designed to remove detergent residue that could neutralize the high-level disinfectant?
Answer: Rinsing after manual cleaning
Thorough rinsing after manual cleaning removes enzymatic detergent residue that could dilute or inactivate the high-level disinfectant applied in the next step.
What does MIFU stand for in the context of endoscope reprocessing, and what is its importance?
Answer: Manufacturer's Instructions for Use — must be followed for every device to ensure safety and legal compliance
MIFU (Manufacturer's Instructions for Use) provide device-specific reprocessing steps validated by the manufacturer; deviating from them can void warranties and compromise patient safety.
A reprocessing technician notices the water in the rinsing sink has a cloudy appearance during manual cleaning. What is the most appropriate action?
Answer: Change the rinse water immediately to prevent recontamination of the scope
Cloudy rinse water indicates high levels of organic debris; using it further would recontaminate a scope rather than rinse it, so the water must be replaced immediately.
What is the primary reason that flexible endoscopes cannot routinely be sterilized using a steam autoclave?
Answer: The high heat and pressure of steam sterilization damages heat-sensitive materials in the endoscope
Flexible endoscopes are constructed from heat-sensitive materials including plastics, rubber, and glues that would be permanently damaged by the high temperatures of steam sterilization.