#1
What is the primary purpose of phlebotomy?
To administer medications
To collect blood samples
To conduct X-ray examinations
To measure blood pressure
#2
What is the primary purpose of capillary puncture in phlebotomy?
To collect arterial blood
To assess liver function
To obtain capillary refill time
To collect small blood samples from the fingertip
#3
What is the purpose of the Allen test in phlebotomy?
To assess blood pressure
To evaluate circulation in the hands
To measure oxygen saturation
To determine cholesterol levels
#4
Which color tube is commonly used for collecting blood for a complete blood count (CBC)?
#5
What is the recommended site for performing a dermal puncture in infants?
Heel
Fingertip
Earlobe
Vein on the forearm
#6
Which of the following veins is commonly used for venipuncture?
Radial vein
Popliteal vein
Cephalic vein
Femoral vein
#7
What is the purpose of using a tourniquet during phlebotomy?
To prevent blood clotting
To dilate the veins
To stop bleeding
To facilitate blood flow and make veins more visible
#8
Which color tube is typically used for blood glucose testing?
Lavender
Green
Gray
Light blue
#9
In phlebotomy, what is the correct procedure for labeling blood tubes?
Label before collecting blood
Label after collecting blood
Label during blood collection
Labeling is not necessary
#10
Which factor may lead to hemolysis in blood samples?
Gentle mixing of tubes
Using a larger needle
Quickly removing the tourniquet
Drawing blood into a syringe
#11
What is the recommended angle for inserting a needle during venipuncture?
90 degrees
45 degrees
30 degrees
15 degrees
#12
What is the purpose of warming a site before capillary puncture?
To sterilize the area
To prevent clotting
To increase blood flow
To minimize pain
#13
Which anticoagulant is commonly used in blood collection tubes to prevent clotting?
Heparin
Aspirin
Ibuprofen
Warfarin
#14
What is the proper order of draw when using a multi-sample needle during venipuncture?
Red, blue, green, lavender
Blue, green, lavender, red
Green, lavender, red, blue
Lavender, red, blue, green
#15
What is the function of a coagulation tube in blood collection?
To separate serum from blood cells
To collect whole blood for chemistry tests
To measure blood clotting time
To preserve blood for DNA analysis
#16
Which vein is commonly used for blood collection in infants?
Cephalic vein
Basilic vein
Dorsal venous arch
Femoral vein
#17
Which of the following is an appropriate site for dermal puncture in adults?
Fingertip
Heel
Forearm
Earlobe
#18
What is the primary purpose of a blood culture collection?
To measure glucose levels
To detect the presence of microorganisms
To assess liver function
To measure electrolytes
#19
In blood gas analysis, which specimen is typically collected in a heparinized syringe?
Arterial blood
Venous blood
Capillary blood
Dermal blood