Phlebotomy Tube Colors and Venipuncture Techniques Quiz

Test your knowledge on tube colors, venipuncture sites, and techniques in phlebotomy with these practice questions. Get ready for your next certification exam!

#1

Which color tube is typically used for complete blood count (CBC) tests?

Red
Lavender
Green
Gray
1 answered
#2

What additive is commonly found in a green-top tube?

EDTA
Citrate
Heparin
Sodium fluoride
1 answered
#3

What does the term 'phlebotomy' specifically refer to?

Blood drawing
Blood analysis
Blood transfusion
Blood circulation
1 answered
#4

Which tube color is used for blood culture collection?

Light blue
Green
Yellow
Sterile, clear or yellow
#5

Which of the following veins is often preferred for venipuncture in adults?

Basilic vein
Cephalic vein
Median cubital vein
Brachial vein
#6

Which tube is typically used for blood glucose testing?

Light blue
Green
Gray
Red
#7

Which color tube is used for blood chemistry tests such as liver function tests?

Green
Lavender
Gold
Gray
#8

Which venipuncture technique is commonly used for difficult veins?

Winged infusion set
Vacutainer method
Butterfly method
Syringe method
#9

Which color tube is used for coagulation studies such as PT and PTT?

Light blue
Lavender
Gray
Yellow
#10

What is the purpose of the gel separator in some blood collection tubes?

To prevent clotting
To enhance coagulation
To separate serum or plasma from cells
To increase tube stability
#11

What is the primary function of a tourniquet during venipuncture?

To prevent infection
To dilate the veins
To apply pressure to the site
To facilitate vein visualization and engorgement
#12

Which vein is often used for venipuncture in children?

Dorsal metacarpal vein
Saphenous vein
Cephalic vein
Median cubital vein
#13

Which vein is often used for venipuncture in the elderly population?

Cephalic vein
Basilic vein
Median cubital vein
Dorsal hand vein
#14

What is the purpose of 'anchoring' the vein during venipuncture?

To stabilize the needle
To prevent hematoma formation
To increase blood flow
To ensure proper tube filling

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