#1
Which of the following veins is commonly used for venipuncture?
Radial vein
Brachial vein
Femoral vein
Median cubital vein
#2
What is the purpose of using a tourniquet during phlebotomy?
To increase blood flow to the vein
To prevent blood clotting
To dilate the vein
To make the vein more visible and accessible
#3
What is the primary purpose of performing a capillary puncture?
To collect arterial blood
To collect blood from large veins
To collect blood from capillaries for certain tests
To administer medication
#4
Which of the following is NOT a recommended site for capillary puncture in adults?
#5
Which of the following is a key step to ensure patient safety during phlebotomy?
Use the smallest gauge needle possible
Discard used needles into a sharps container
Apply pressure to the puncture site after collection
Wear gloves only if the patient requests it
#6
Which of the following is a common complication of phlebotomy?
Thrombosis
Hypertension
Hematoma
Atherosclerosis
#7
What is the maximum recommended angle for needle insertion during routine venipuncture?
45 degrees
90 degrees
30 degrees
15 degrees
#8
What is the purpose of wiping away the first drop of blood during a capillary puncture?
To prevent contamination of the sample
To decrease the chances of infection
To reduce the risk of clotting
To remove excess tissue fluid
#9
Which of the following tests typically requires capillary blood collection?
Complete blood count (CBC)
Coagulation studies
Chemistry panel
Blood glucose monitoring
#10
Which of the following can lead to hemoconcentration during venipuncture?
Using a tourniquet for less than a minute
Applying the tourniquet too tightly
Choosing a vein near the antecubital fossa
Releasing the tourniquet before the needle is removed
#11
Which anticoagulant is commonly used in blood collection tubes for chemistry tests?
Heparin
EDTA
Sodium citrate
Sodium fluoride
#12
What is the correct procedure for collecting a capillary blood sample from an infant?
Perform a heel stick perpendicular to the skin surface
Warm the heel with a heating pad before puncture
Massage the heel vigorously to increase blood flow
Puncture the lateral aspect of the heel
#13
Which of the following is a sign of an arterial puncture during venipuncture?
Dark red blood flowing steadily
Slow, oozing blood
Bright red blood spurting out
A hematoma forming at the puncture site
#14
Which of the following is a common complication of repeated venipuncture in the same area?
Hematoma
Thrombosis
Infection
Hemolysis
#15
Which of the following is a potential complication of leaving a tourniquet on for too long during venipuncture?
Hematoma
Hemolysis
Hypovolemia
Tissue necrosis