Questions and Answers
What is the area of the arm near the elbow called?
What are the three primary veins used in venipuncture?
Cephalic, median cubital, basilic
The median cubital vein is typically smaller than the other veins.
False
Which vein is the second choice if the median cubital vein is not accessible?
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Hand veins are often used for venipuncture when antecubital veins are unavailable.
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Match the following veins with their characteristics:
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Study Notes
Antecubital Fossa
- Area near the elbow on the arm, located in front and below the elbow's bend.
- Contains several major veins close to the skin surface.
- Finding veins can be challenging in dehydrated, obese, or chemotherapy patients.
Three Primary Veins
- Primary veins for phlebotomy: cephalic, median cubital, and basilic.
- All three are situated in the antecubital fossa.
- Cephalic vein: located laterally on the arm, often accessible in obese patients.
- Median cubital vein: preferred choice due to size and stability.
- Basilic vein: located medially, considered a last resort due to unpredictable positioning.
Median Cubital Vein
- Preferred vein for venipuncture because it is larger and less mobile.
- More stationary, which reduces pain and bruising during the procedure.
- Generally well-anchored, making it easier to puncture accurately.
Other Antecubital Veins
- Cephalic vein is the second choice when the median cubital vein is unavailable.
- Basilic vein is less desirable; it rolls easily and is close to nerves and arteries, increasing risk.
Hand Veins
- Hand veins are used when antecubital veins are inaccessible due to various reasons, e.g., IV placement or injury.
- These veins are located close to the surface but are more prone to rolling and movement.
- Using hand veins is typically more painful due to the presence of nerves in the hand.
- Important to anchor the vein securely while drawing blood to minimize movement.
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Description
This set of flashcards covers key terms related to the veins used in phlebotomy, specifically focusing on the antecubital fossa and the three primary veins. Ideal for students and professionals needing to memorize important concepts in blood collection techniques. Enhance your understanding of venipuncture and related anatomical structures.
