PATIENT CARE TECHNICIAN EXAM MCQ – USA – PHLEBOTOMY
What is the most common site for venipuncture?
A) Radial artery
B) Median cubital vein
C) Brachial artery
D) Femoral vein
Answer: B) Median cubital vein
Which needle gauge is commonly used for routine blood draws?
A) 18-gauge
B) 21-gauge
C) 25-gauge
D) 30-gauge
Answer: B) 21-gauge
What is the correct angle of insertion for a venipuncture needle?
A) 5 to 10 degrees
B) 15 to 30 degrees
C) 45 to 60 degrees
D) 90 degrees
Answer: B) 15 to 30 degrees
Which tube color is used for collecting a complete blood count (CBC)?
A) Red
B) Light blue
C) Lavender
D) Green
Answer: C) Lavender
What should be done if a patient experiences a hematoma during venipuncture?
A) Continue drawing blood
B) Apply firm pressure and elevate the arm
C) Ignore it and proceed with the next patient
D) Massage the area vigorously
Answer: B) Apply firm pressure and elevate the arm
Which of the following actions should be taken first before drawing blood?
A) Ask the patient if they are afraid of needles
B) Identify the patient using two identifiers
C) Select the largest needle available
D) Shake the blood collection tubes vigorously
Answer: B) Identify the patient using two identifiers
What is the order of draw for blood collection?
A) Red, Light blue, Green, Lavender
B) Lavender, Green, Light blue, Red
C) Light blue, Red, Green, Lavender
D) Green, Light blue, Lavender, Red
Answer: C) Light blue, Red, Green, Lavender
Which anticoagulant is present in a light blue top tube?
A) EDTA
B) Sodium citrate
C) Heparin
D) None
Answer: B) Sodium citrate
What is the primary purpose of tourniquet application during venipuncture?
A) To increase patient discomfort
B) To locate and stabilize the vein
C) To reduce blood pressure
D) To stop blood flow completely
Answer: B) To locate and stabilize the vein
Which vein should be avoided due to its proximity to arteries and nerves?
A) Cephalic vein
B) Median cubital vein
C) Basilic vein
D) Dorsal hand vein
Answer: C) Basilic vein
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