#1
Which of the following is a common site for venipuncture?
Antecubital fossa
ExplanationCommon site due to accessibility and visibility of veins.
#2
Which of the following is an important step in phlebotomy safety?
Properly disposing of sharps
ExplanationPrevents accidental needle sticks and infections.
#3
Which of the following is a potential complication of phlebotomy?
Infection
ExplanationIntroduction of pathogens into the bloodstream.
#4
What is the term for the process of withdrawing blood from a vein?
Venipuncture
ExplanationCommon procedure for blood sample collection.
#5
What is the purpose of palpating the vein before venipuncture?
To locate the vein
ExplanationDetermines vein size, depth, and direction for successful puncture.
#6
What is the purpose of using a tourniquet during phlebotomy?
To dilate veins
ExplanationFacilitates venous engorgement for easier venipuncture.
#7
Which needle gauge is typically used for routine venipuncture in adults?
22 gauge
ExplanationBalances between blood flow and patient comfort.
#8
What is the recommended angle for inserting a needle during venipuncture?
90 degrees
ExplanationMaximizes successful entry into the vein.
#9
Which antiseptic is commonly used for skin preparation before venipuncture?
Alcohol
ExplanationEffective against common pathogens and readily available.
#10
What is the primary function of a syringe in phlebotomy?
To draw blood manually
ExplanationAllows controlled and precise blood collection.
#11
What is the correct order of draw when using a vacuum tube system for multiple blood specimen collection?
Green, Yellow, Red, Light Blue
ExplanationPrevents contamination and ensures accurate results.
#12
What is the recommended site for capillary puncture in infants?
Heel
ExplanationRich capillary network and minimal discomfort.
#13
What is the purpose of gently mixing blood specimens after collection?
To ensure accurate test results
ExplanationUniform distribution of additives and prevents clotting.
#14
Which of the following tests require fasting before blood collection?
Glucose tolerance test
ExplanationAvoids interference from recent food intake.
#15
What does the acronym HIPAA stand for in the context of patient privacy?
Health Insurance Portability and Accountability Act
ExplanationSets standards for protecting sensitive patient information.