ALL UPDATED QUESTIONS
ALREADY PASSED!!
Phlebotomy & Specimen Collection
1. According to the NHA, what is the correct order of draw for vacuum tubes?
A) Yellow, Light Blue, Red, Green, Lavender, Gray
B) Blood Cultures, Light Blue, Red, Green, Lavender, Gray
C) Lavender, Light Blue, Red, Green, Gray
D) Red, Light Blue, Green, Lavender, Gray
Answer ✔✔: B) Blood Cultures, Light Blue, Red, Green, Lavender, Gray
2. A patient requires a blood culture and a CBC. Which tubes will you collect and in what
order?
A) Lavender top then Yellow top
B) Yellow top then Lavender top
C) Red top then Lavender top
D) Light Blue top then Yellow top
Answer ✔✔: B) Yellow top then Lavender top
3. The median cubital vein is the first choice for venipuncture because it is:
A) The least painful site for the patient.
, B) The largest and most stable vein, typically well-anchored.
C) The only vein that does not require a tourniquet.
D) Located away from any arteries.
Answer ✔✔: B) The largest and most stable vein, typically well-anchored.
4. You are unable to obtain blood during a venipuncture. The needle is in the vein, but no
blood flows into the tube. What is the MOST likely cause?
A) The patient is dehydrated.
B) The vacuum in the tube has been lost.
C) The needle is too large for the vein.
D) The tourniquet is too loose.
Answer ✔✔: B) The vacuum in the tube has been lost.
5. For which test must a specimen be protected from light by wrapping it in aluminum foil
immediately after collection?
A) Prothrombin Time
B) CBC
C) Bilirubin
D) Electrolytes
Answer ✔✔: C) Bilirubin
6. A patient is suspected of having septicemia. Which specimen is collected to detect
microorganisms in the blood?
A) Lavender top tube
B) Blood Cultures in yellow top tubes