Phlebotomy Procedures and Laboratory Protocols Quiz

Test your knowledge with 15 questions on phlebotomy equipment, blood collection procedures, and laboratory protocols.

Practice Learn Test

Which of the following is NOT a phlebotomy equipment?

Vacutainer

Microscope

Needle holder

Tourniquet

Which vein is commonly used for routine venipuncture in adults?

Cephalic vein

Basilic vein

Median cubital vein

Median vein

Which of the following is NOT a step in the pre-analytical phase of laboratory testing?

Sample collection

Sample analysis

Sample transportation

Sample processing

What is the proper procedure for disposing of used needles after phlebotomy?

Place in regular trash

Recycle

Dispose in a sharps container

Flush down the toilet

Which of the following blood tubes is typically used for collecting whole blood for hematology studies?

Red top tube

Green top tube

Lavender top tube

Blue top tube

What is the correct order of draw for blood collection?

Green, Lavender, Gray, Red, Blue

Lavender, Gray, Green, Red, Blue

Gray, Green, Blue, Lavender, Red

Blue, Red, Green, Gray, Lavender

What is the maximum recommended depth for a heel stick on an infant?

1 mm

2 mm

3 mm

4 mm

What is the primary purpose of a tourniquet during phlebotomy?

To anchor the vein

To dilate the vein

To constrict the vein

To numb the area

What is the recommended angle for needle insertion during routine venipuncture?

15-30 degrees

45-60 degrees

75-90 degrees

90-105 degrees

#10

What is the purpose of a butterfly needle in phlebotomy?

To collect arterial blood gases

To collect blood from a scalp vein

To collect blood from small or difficult veins

To collect blood for coagulation studies

#11

Which of the following anticoagulants is commonly used in blood collection tubes for coagulation studies?

EDTA

Sodium citrate

Heparin

Sodium fluoride

#12

What is the primary purpose of centrifugation in laboratory protocols?

To separate blood components

To analyze blood gases

To measure blood pH

To detect antibody levels

#13

What is the primary purpose of a clot activator in blood collection tubes?

To prevent clotting

To promote clotting

To enhance serum separation

To measure clotting factors

#14

What is the primary function of EDTA in blood collection tubes?

To prevent clotting

To promote clotting

To enhance serum separation

To preserve cellular morphology

#15

Which of the following tests requires blood collection in a prechilled tube?

Complete blood count (CBC)

Glucose tolerance test (GTT)

Arterial blood gas (ABG)

Lactate dehydrogenase (LDH)