Equipment Operation & Maintenance Flashcards
7 cards from real CSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Equipment Operation & Maintenance flashcards as text
What is the correct method to confirm vein entry during venipuncture with an evacuated tube system?
Answer: A 'pop' sensation and blood flashback into the needle hub or tube
Successful vein entry is confirmed by a flashback of blood into the needle hub or the beginning of blood flow into the evacuated tube.
Why is a syringe transfer device (safety transfer device) used when moving blood from a syringe into vacuum tubes?
Answer: To safely transfer blood without uncapping tubes or needlestick risk
A safety transfer device allows blood to flow from a syringe into evacuated tubes using the tube's own vacuum, eliminating the need to remove caps and reducing needlestick risk.
Which of the following conditions would render a centrifuge unsafe to operate?
Answer: Visible cracks or damage to the rotor
A cracked or damaged rotor is a critical safety hazard that can cause catastrophic failure during operation and must be taken out of service immediately.
What is the recommended warming time and method for a capillary heel puncture on a newborn?
Answer: Warm water compress at 42°C for 3–5 minutes
A moist warm compress at no more than 42°C applied for 3–5 minutes increases blood flow to the heel by arterializing the capillary blood.
Which of the following correctly describes the order of draw for an EDTA tube when using an evacuated tube system?
Answer: After blood culture bottles and coagulation tubes, but before other additive tubes
Per CLSI guidelines, EDTA tubes are drawn after blood cultures and coagulation tubes but before other additive tubes to prevent carryover of EDTA affecting coagulation results.
When should a phlebotomist change gloves between patients?
Answer: After every patient encounter
Gloves must be changed between each patient to prevent cross-contamination and maintain standard precautions.
What is the primary reason point-of-care glucometers require calibration codes or chip verification?
Answer: To match the meter's algorithm to the specific reagent strip lot for accurate results
Different reagent strip lots may have slight manufacturing variations; the calibration code aligns the meter's calculations to that specific lot for accurate glucose readings.