#1
Which of the following is a potential complication of blood drawing?
Hematoma
ExplanationCollection of blood outside of blood vessels.
#2
What is the primary reason for cleaning the venipuncture site with alcohol before blood drawing?
To reduce the risk of infection
ExplanationAlcohol disinfects the area, minimizing infection risk.
#3
Which of the following can help minimize pain during blood drawing?
Applying a warm compress to the site beforehand
ExplanationHeat soothes nerves, reducing discomfort.
#4
Which vein is commonly used for routine venipuncture in adults?
Median cubital vein
ExplanationAccessible and less likely to collapse during collection.
#5
What is the recommended maximum duration for applying a tourniquet before venipuncture?
2 minutes
ExplanationMinimizes potential vein damage or discomfort.
#6
What is the most common cause of a hematoma during blood drawing?
Applying too much pressure after the needle is withdrawn
ExplanationExcessive pressure post-needle withdrawal causes blood leakage.
#7
Which of the following factors may increase the risk of a vasovagal reaction during blood drawing?
Being anxious or fearful
ExplanationAnxiety or fear triggers fainting episodes.
#8
What is the recommended angle for inserting the needle during routine venipuncture?
90 degrees
ExplanationOptimal angle ensures proper blood flow.
#9
What is the purpose of applying pressure to the venipuncture site after blood drawing?
To stop bleeding and promote clotting
ExplanationPressure halts bleeding and initiates clot formation.
#10
What is the term for the failure to obtain blood from a vein during venipuncture?
Infiltration
ExplanationBlood leaks into surrounding tissue.
#11
Which of the following is NOT a sign of an arterial puncture during blood drawing?
Formation of a hematoma
ExplanationHematoma signifies venous puncture, not arterial.
#12
Which of the following actions should be taken if a patient experiences syncope during blood drawing?
Elevate the patient's legs and provide fresh air
ExplanationLowers risk of injury and facilitates recovery.
#13
What is the most appropriate action if a patient complains of severe pain during venipuncture?
Remove the needle and try again in a different location
ExplanationAvoids further discomfort and increases success chances.
#14
Which of the following conditions requires special precautions during blood drawing due to an increased risk of bleeding?
Hemophilia
ExplanationImpaired clotting raises bleeding risk.
#15
Which of the following is NOT a potential complication of blood drawing in pediatric patients?
Increased risk of syncope
ExplanationSyncope risk isn't higher in pediatric patients.