#1
Which antiseptic is commonly used for skin preparation before phlebotomy?
Isopropyl alcohol
Hydrogen peroxide
Betadine
Chlorhexidine
#2
What is the standard needle gauge for routine venipuncture?
18 gauge
20 gauge
22 gauge
24 gauge
#3
Which vein is commonly used for venipuncture in the antecubital fossa?
Radial vein
Cephalic vein
Median cubital vein
Basilic vein
#4
Which of the following is a common site for a fingerstick blood collection?
Palmar aspect of the hand
Dorsal aspect of the hand
Distal phalanx of the thumb
Proximal phalanx of the index finger
#5
What is the recommended angle for needle insertion during routine venipuncture?
45 degrees
60 degrees
90 degrees
120 degrees
#6
Which color-coded tube is commonly used for glucose testing?
Green top
Gray top
Red top
Purple top
#7
What does the term 'Hemoconcentration' refer to in phlebotomy?
Increased blood clotting
Decreased platelet count
Increased red blood cell concentration
Decreased white blood cell count
#8
In which order should blood tubes be filled during a venipuncture procedure?
Yellow, Blue, Red, Green
Red, Green, Blue, Yellow
Blue, Red, Green, Yellow
Green, Yellow, Blue, Red
#9
Which organization provides guidelines for the collection of blood specimens?
FDA (Food and Drug Administration)
WHO (World Health Organization)
CLSI (Clinical and Laboratory Standards Institute)
CDC (Centers for Disease Control and Prevention)
#10
What is the purpose of the butterfly needle in phlebotomy?
To collect arterial blood
To perform capillary punctures
To draw blood from fragile veins
To administer IV fluids
#11
What is the purpose of a tourniquet in phlebotomy?
To dilate arteries
To stop bleeding
To facilitate venous filling
To prevent hemolysis
#12
Which of the following is a potential complication of phlebotomy?
Hematuria
Hemoptysis
Hematoma
Hyperthermia
#13
What is the purpose of the chain of custody in blood specimen handling?
Ensure patient confidentiality
Maintain specimen integrity
Facilitate billing procedures
Verify phlebotomist credentials
#14
What is the primary purpose of the tourniquet in venipuncture?
To dilate veins
To prevent blood clotting
To stop bleeding
To facilitate blood flow and locate veins
#15
What is the purpose of the additive EDTA in blood collection tubes?
Prevent blood clotting
Promote blood clotting
Preserve glucose levels
Enhance serum separation
#16
What is the recommended site for heelstick blood collection in infants?
Medial malleolus
Lateral plantar surface
Calcaneus
Dorsalis pedis artery
#17
What is the primary purpose of the gel separator in blood collection tubes?
Enhance clotting
Separate serum from cells
Prevent contamination
Increase tube stability
#18
What is the purpose of the order of draw in venipuncture?
To maintain phlebotomist efficiency
To prevent tube contamination
To ensure accurate test results
To reduce patient discomfort
#19
Which of the following is a key step in the preparation of a blood smear?
Centrifugation
Hemolysis
Staining
Filtration
#20
In phlebotomy, what does the term 'venous reflux' refer to?
Backflow of blood into the vein
Obstruction of the blood vessel
Clot formation in the vein
Venous dilation