Phlebotomy Flashcards
7 cards from real PCT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Phlebotomy flashcards as text
Which vein is considered the FIRST choice for routine venipuncture in adults?
Answer: Median cubital vein
The median cubital vein is preferred because it is large, well-anchored, and least likely to roll or bruise.
A patient's blood culture requires two sets of draws. What is the correct sequence for filling the bottles?
Answer: Aerobic first, then anaerobic
Aerobic bottles are filled first to match the ambient air present in the needle/tubing before anaerobic conditions are introduced.
The recommended angle of needle insertion for routine venipuncture is:
Answer: 15–30 degrees
A 15–30 degree angle allows the needle to enter the vein without passing through the posterior wall.
Which tube additive is found in the royal blue (no additive) tube used for trace-element testing?
Answer: No additive; tube is metal-free
Royal blue tubes without additive are manufactured from metal-free materials to prevent contamination of trace-element samples.
When a patient reports feeling faint during venipuncture, the PCT should FIRST:
Answer: Remove the needle and apply pressure
The needle must be removed immediately to prevent injury if the patient loses consciousness or moves involuntarily.
Which of the following is the CORRECT order of draw for evacuated tubes?
Answer: Light blue → Gold/SST → Green → Lavender
CLSI order of draw places sodium citrate (light blue) immediately after sterile/blood culture collections, before serum and plasma tubes.
A specimen labeled 'stat' should be delivered to the lab within:
Answer: 30 minutes
Stat specimens require delivery to the laboratory within 30 minutes to ensure timely results for urgent clinical decisions.