Phlebotomy and Blood Collection Flashcards
7 cards from real AMCA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Phlebotomy and Blood Collection flashcards as text
What is the preferred venipuncture site for routine blood collection in adults?
Answer: Median cubital vein
The median cubital vein in the antecubital fossa is preferred due to its size, stability, and accessibility.
Which needle gauge is most commonly used for routine adult venipuncture?
Answer: 21 gauge
A 21-gauge needle is standard for routine venipuncture, balancing adequate blood flow with patient comfort.
In the correct Order of Draw, which tube is collected FIRST during a multi-tube draw?
Answer: Blood culture bottles
Blood culture bottles are drawn first to prevent contamination from anticoagulant additives in other tubes.
When performing a capillary puncture on an adult finger, which area is the preferred puncture site?
Answer: The lateral or medial aspect of the fingertip
The lateral or medial aspect of the fingertip is preferred to avoid the sensitive fingertip pad and the underlying bone.
Which of the following tube types contains NO additive and allows blood to clot for serum testing?
Answer: Red top (no additive)
The red-top tube contains no additive, allowing blood to clot naturally so serum can be collected after centrifugation.
What personal protective equipment (PPE) is the MINIMUM requirement when performing venipuncture?
Answer: Gloves only
Gloves are the minimum PPE required for all venipuncture procedures under standard precautions.
How long should a tourniquet remain applied before performing venipuncture?
Answer: No longer than 1 minute
A tourniquet left on longer than 1 minute causes hemoconcentration, which can falsely alter laboratory results.