Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the maximum number of attempts recommended at a single venipuncture site?
✔✔Two attempts
Which vein is generally the last choice for venipuncture due to its tendency to roll?
✔✔Cephalic vein
What is the purpose of applying pressure to the puncture site after needle removal?
✔✔To prevent bleeding and hematoma formation
Why should a phlebotomist avoid drawing blood from a site with a hematoma?
✔✔It can cause pain and compromise sample quality
Which type of gloves should always be worn during blood collection?
✔✔Disposable gloves
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,Why is hand hygiene important before and after performing phlebotomy?
✔✔To prevent the spread of infection
What is the proper way to dispose of a used needle?
✔✔Immediately place it in a sharps container
Which vein is most commonly used for routine venipuncture?
✔✔Median cubital vein
What is the correct angle of needle insertion for a standard venipuncture?
✔✔15–30 degrees
Why is it important to mix anticoagulant tubes immediately after collection?
✔✔To prevent clotting and ensure accurate test results
What is the proper way to clean a venipuncture site before drawing blood?
✔✔Use an alcohol swab in a circular motion from the center outward
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, Which type of needle is designed to collect multiple tubes with a single venipuncture?
✔✔Multi-sample needle
What should a phlebotomist do if the patient faints during a blood draw?
✔✔Stop the procedure, lower the patient, elevate the legs, and monitor vital signs
What is the purpose of using a tourniquet during venipuncture?
✔✔To engorge veins for easier access
How long should a tourniquet remain on the arm during a blood draw?
✔✔No longer than one minute
Which tube should be drawn first to avoid contamination of coagulation studies?
✔✔Light blue-top tube
Why should a phlebotomist avoid drawing blood from an arm with an IV line?
✔✔It can dilute the sample or cause inaccurate results
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