#1
What is the primary function of a phlebotomist?
To draw blood samples
ExplanationCollecting blood samples for testing.
#2
Which of the following veins is commonly used for venipuncture?
Cephalic vein
ExplanationA common vein used for drawing blood.
#3
What is the primary purpose of a syringe in phlebotomy?
To collect blood specimens
ExplanationDrawing blood directly into a syringe for collection.
#4
Which of the following antiseptics is commonly used for skin preparation prior to venipuncture?
Isopropyl alcohol
ExplanationA common antiseptic for skin disinfection.
#5
Which of the following veins is typically accessed for arterial blood gas (ABG) sampling?
Radial artery
ExplanationA common site for arterial blood collection.
#6
What is the purpose of using a tourniquet during venipuncture?
To dilate the vein
ExplanationTo make the vein easier to access.
#7
Which of the following is a potential complication of phlebotomy?
Hematoma
ExplanationA localized collection of blood outside the blood vessels.
#8
Which of the following is an appropriate technique for capillary puncture?
Warm the puncture site before collection
ExplanationIncreasing blood flow to the site for easier collection.
#9
What does the term 'venous stasis' refer to in phlebotomy?
The slowing or stopping of blood flow
ExplanationA condition where blood flow in a vein is reduced or blocked.
#10
What is the purpose of the butterfly needle in phlebotomy?
To access difficult veins
ExplanationA needle with wings to stabilize it during insertion.
#11
What is the purpose of the anticoagulant EDTA in blood collection tubes?
To prevent clotting
ExplanationPreventing blood from clotting in the tube.
#12
Which of the following is an acceptable practice when performing venipuncture?
Disinfecting the site with alcohol after cleaning with antiseptic
ExplanationEnsuring the site is clean before puncturing.
#13
What is the most common complication of prolonged tourniquet application?
Hemolysis
ExplanationThe breakdown of red blood cells.
#14
Which of the following tests requires blood to be collected in a prechilled tube?
Lipid profile
ExplanationMaintaining sample integrity for lipid testing.
#15
What is the recommended angle for needle insertion during venipuncture?
90 degrees
ExplanationInserting the needle perpendicular to the skin.