Why is the radial artery the preferred site for arterial blood sampling?
1) It is near the surface and easy to palpate and stabilize.
2) The ulnar artery normally provides good collateral circulation.
3) The radial artery is not near any large veins.
4) It is the largest artery located in the upper extremities.
A)1 and 4 only
B)3 only
C)2 and 4 only
D)1, 2, and 3 only

Question

Quizplus · Accepted Answer

The radial artery is preferred for arterial blood sampling because it is easily accessible and palpable, has good collateral circulation from the ulnar artery, and is not located near large veins, reducing the risk of venous puncture. The radial artery is not the largest artery in the upper extremities; that distinction belongs to the brachial artery.

Why Is the Radial Artery the Preferred Site for Arterial