#1
Which of the following veins is commonly used for venipuncture?
Cephalic vein
ExplanationCommonly accessible for blood collection.
#2
What is the purpose of using a tourniquet during phlebotomy?
To make the vein more visible and palpable
ExplanationEnhances vein visibility and palpability.
#3
What is the purpose of a syringe in phlebotomy?
To collect blood samples for analysis
ExplanationUsed for blood sample collection.
#4
Which anticoagulant is commonly used in blood collection tubes for most routine tests?
EDTA
ExplanationCommon anticoagulant in routine blood tests.
#5
What is the term for the process of collecting blood from a vein?
Venipuncture
ExplanationProcess of drawing blood from a vein.
#6
Which of the following is NOT a step in the venipuncture process?
Inserting the needle immediately after removing the tourniquet
ExplanationNot a part of the venipuncture process.
#7
Which of the following needles has the largest diameter?
18-gauge needle
ExplanationHas the widest diameter among options.
#8
What is the purpose of a winged infusion set (butterfly needle) in phlebotomy?
To collect blood from difficult veins or small veins
ExplanationDesigned for difficult or small veins.
#9
What is the primary reason for discarding the first few milliliters of blood drawn during venipuncture?
To prevent contamination from the skin
ExplanationPrevents skin contamination in sample.
#10
What is the purpose of gently mixing blood with anticoagulant in a blood collection tube?
To prevent coagulation
ExplanationPrevents blood from clotting.
#11
What is the purpose of a vacutainer tube in blood collection?
To provide a vacuum for blood collection
ExplanationCreates vacuum for blood collection.
#12
What does the term 'butterfly needle' refer to in phlebotomy?
A winged infusion set
ExplanationRefers to a specific type of needle.
#13
Which of the following is NOT a recommended site for capillary puncture in adults?
Antecubital fossa
ExplanationNot suitable for capillary puncture in adults.
#14
Which of the following additives is commonly used for blood glucose testing?
Sodium fluoride
ExplanationCommonly used for blood glucose tests.
#15
Which of the following is NOT a common complication of phlebotomy?
Hypertension
ExplanationNot a typical complication of phlebotomy.
#16
What is the primary purpose of arterial puncture?
To collect blood for gas analysis
ExplanationCollecting blood for gas composition analysis.
#17
Which vein is commonly used for central venous catheterization?
Internal jugular vein
ExplanationFrequently accessed for catheterization.