#1
Which vein is commonly used for venipuncture?
Radial vein
Brachial vein
Cephalic vein
Femoral vein
#2
What is the purpose of using a tourniquet during venipuncture?
To reduce the risk of infection
To dilate the vein
To stop bleeding after venipuncture
To increase blood flow and make veins more visible
#3
What is the primary function of a phlebotomist?
To analyze blood samples in the laboratory
To administer medications intravenously
To draw blood samples from patients
To interpret medical imaging results
#4
What is the most common complication of venipuncture?
Hemorrhage
Hematoma
Infection
Nerve damage
#5
What is the term for the process of removing blood from a vein for diagnostic purposes?
Hemostasis
Apheresis
Phlebotomy
Hematopoiesis
#6
What is the term for the swelling of tissues caused by blood leaking from a punctured vein?
Thrombosis
Embolism
Hematoma
Ischemia
#7
Which of the following tubes is used for collecting blood samples for a complete blood count (CBC)?
Lavender-top tube
Green-top tube
Red-top tube
Blue-top tube
#8
What is the correct order of draw for multiple blood samples?
Red-top tubes, lavender-top tubes, green-top tubes
Green-top tubes, red-top tubes, lavender-top tubes
Lavender-top tubes, green-top tubes, red-top tubes
Green-top tubes, lavender-top tubes, red-top tubes
#9
What is the purpose of palpating a vein before venipuncture?
To warm up the area
To determine the depth of the vein
To prevent clotting
To assess vein size and location
#10
Which of the following anticoagulants is commonly used in blood collection tubes?
Heparin
Warfarin
Aspirin
Insulin
#11
Which of the following veins is preferred for venipuncture in pediatric patients?
Median cubital vein
Basilic vein
Dorsal venous network
Superficial temporal vein
#12
Which of the following is NOT a step in the correct venipuncture procedure?
Identify the patient
Select the appropriate gauge needle
Insert the needle at a 90-degree angle
Dispose of the needle in a sharps container after use
#13
Which of the following is NOT a complication of phlebotomy?
Hematoma
Thrombosis
Syncope
Hyperglycemia
#14
What is the maximum time limit for a tourniquet to be applied during venipuncture?
1 minute
3 minutes
5 minutes
10 minutes
#15
What is the recommended angle for needle insertion during routine venipuncture?
30 degrees
45 degrees
60 degrees
90 degrees
#16
Which organization is responsible for establishing standards and guidelines for phlebotomy practices in the United States?
Centers for Disease Control and Prevention (CDC)
American Medical Association (AMA)
Occupational Safety and Health Administration (OSHA)
Clinical and Laboratory Standards Institute (CLSI)
#17
Which of the following is a potential complication of using a butterfly needle for venipuncture?
Excessive blood loss
Nerve damage
Infiltration
Hemolysis