#1
Which vein is commonly used for venipuncture in adults?
Radial vein
Cephalic vein
Median cubital vein
Basilic vein
#2
What is the purpose of using a tourniquet during venipuncture?
To dilate the veins
To reduce blood flow
To prevent blood clotting
To make veins more visible and accessible
#3
What is the recommended angle for inserting the needle during venipuncture?
90 degrees
30 degrees
45 degrees
15 degrees
#4
Which of the following is NOT a potential complication of phlebotomy?
Hematoma
Infection
Hyperglycemia
Nerve damage
#5
Which of the following is an appropriate action if a patient feels dizzy or faint during blood collection?
Continue with the procedure
Stop the procedure immediately
Apply pressure to the puncture site
Administer pain medication
#6
What is the primary purpose of using a butterfly needle during venipuncture?
To collect larger volumes of blood
To increase blood flow rate
To reduce patient discomfort
To access difficult veins
#7
Which of the following is NOT a common site for capillary puncture?
Heel
Finger
Earlobe
Antecubital fossa
#8
What is the purpose of gently rotating the collection tube during blood collection?
To mix anticoagulant with blood
To increase blood flow
To reduce hemolysis
To prevent coagulation
#9
What does the term 'hemoconcentration' refer to?
Increased blood viscosity
Decreased blood viscosity
Increased platelet count
Decreased platelet count
#10
Which vein is commonly used for venipuncture in infants?
Radial vein
Cephalic vein
Dorsal venous network
Medial cubital vein
#11
Which of the following tests typically requires fasting before blood collection?
Complete blood count (CBC)
Blood glucose
Lipid panel
Liver function tests
#12
What is the purpose of gently inverting a blood collection tube after filling it?
To prevent blood coagulation
To ensure adequate mixing with anticoagulant
To reduce blood flow
To increase sample volume
#13
Which anticoagulant is commonly used for routine blood collection?
Heparin
Citrate
EDTA
Sodium fluoride
#14
What is the purpose of performing a 'fist clench' during capillary puncture?
To increase blood pressure
To dilate the veins
To stimulate blood flow
To prevent clotting
#15
Which of the following additives is commonly used to preserve blood for immunohematology testing?
Sodium citrate
Potassium oxalate
EDTA
ACD solution
#16
Which of the following veins is commonly used for venipuncture in elderly patients?
Cephalic vein
Brachial vein
Radial vein
Dorsal venous network
#17
Which blood collection tube is typically used for blood glucose testing?
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Gray top
Green top
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