#1
Which vein is commonly used for venipuncture in phlebotomy?
Cephalic vein
ExplanationCommonly accessible vein for blood collection.
#2
Which color-coded tube is commonly used for complete blood count (CBC) tests?
Lavender
ExplanationSpecific tube for CBC testing to ensure accurate results.
#3
What is the purpose of a blood bank in the context of phlebotomy?
Storing blood for future use
ExplanationPreserves blood for transfusions and emergencies.
#4
What is the purpose of using a tourniquet during phlebotomy?
To dilate the vein
ExplanationIncreases visibility and accessibility of veins.
#5
Which antiseptic is commonly used for cleaning the site before venipuncture?
Betadine
ExplanationAntiseptic solution to reduce risk of infection.
#6
What is the purpose of the Vacutainer system in phlebotomy?
To collect and transport blood samples
ExplanationFacilitates efficient blood sample collection.
#7
What is the recommended angle for needle insertion during venipuncture?
90 degrees
ExplanationOptimal angle for successful vein penetration.
#8
What is the primary purpose of a blood culture draw during phlebotomy?
Detecting infections
ExplanationIdentifies microbial presence in blood to diagnose infections.
#9
What is the primary function of blood culture bottles in phlebotomy?
Detecting the presence of microorganisms
ExplanationIdentifies microbial infections in blood samples.
#10
In phlebotomy, what does the term 'venipuncture' refer to?
Inserting a needle into a vein
ExplanationPiercing the vein to draw blood.
#11
Which organization provides guidelines for phlebotomy procedures?
CLSI (Clinical and Laboratory Standards Institute)
ExplanationEstablishes standards for safe and accurate procedures.
#12
What is the term for the involuntary muscle contraction during venipuncture that may cause pain?
Vasospasm
ExplanationMuscle contraction leading to discomfort or difficulty in blood draw.
#13
Which factor is crucial for maintaining the integrity of blood samples during phlebotomy?
Prompt processing
ExplanationPrevents sample degradation and ensures accurate results.