#1
What is the primary function of a phlebotomist?
To perform surgical procedures
To draw blood samples
To administer medications
To interpret laboratory results
#2
Which of the following veins is commonly used for venipuncture?
Radial vein
Brachial vein
Femoral vein
Cephalic vein
#3
What is the primary purpose of a syringe in phlebotomy?
To store blood samples
To apply pressure to the puncture site
To collect blood specimens
To administer medications
#4
Which of the following antiseptics is commonly used for skin preparation prior to venipuncture?
Hydrogen peroxide
Benzalkonium chloride
Isopropyl alcohol
Chlorhexidine gluconate
#5
Which of the following veins is typically accessed for arterial blood gas (ABG) sampling?
Cephalic vein
Brachial vein
Radial artery
Femoral artery
#6
What is the purpose of using a tourniquet during venipuncture?
To dilate the vein
To prevent blood from clotting
To apply pressure to the site
To make the vein more visible
#7
Which of the following is a potential complication of phlebotomy?
Hypoglycemia
Hematoma
Hyperthyroidism
Hypertension
#8
Which of the following is an appropriate technique for capillary puncture?
Insert the lancet perpendicular to the skin surface
Warm the puncture site before collection
Massage the puncture site after collection
Use a larger gauge lancet for infants
#9
What does the term 'venous stasis' refer to in phlebotomy?
Blood clot formation
The process of vein dilation
The slowing or stopping of blood flow
The collection of venous blood in the skin
#10
What is the purpose of the butterfly needle in phlebotomy?
To collect large-volume blood samples
To perform capillary punctures
To access difficult veins
To apply pressure to the puncture site
#11
What is the purpose of the anticoagulant EDTA in blood collection tubes?
To prevent clotting
To enhance clotting
To stabilize glucose levels
To preserve cellular morphology
#12
Which of the following is an acceptable practice when performing venipuncture?
Reusing needles for multiple patients
Disinfecting the site with alcohol after cleaning with antiseptic
Leaving the tourniquet on for longer than one minute
Using a smaller gauge needle for blood transfusions
#13
What is the most common complication of prolonged tourniquet application?
Thrombosis
Hematoma
Hypoxemia
Hemolysis
#14
Which of the following tests requires blood to be collected in a prechilled tube?
Glucose tolerance test
Complete blood count
Lipid profile
Blood culture
#15
What is the recommended angle for needle insertion during venipuncture?
45 degrees
90 degrees
30 degrees
60 degrees