Which of the following sites are used for arterial blood sampling by percutaneous needle punc-ture? 1. Femoral 2. Radial 3. Brachial 4. Carotid
a. 2 and 3 only
b. 1 and 4 only
c. 1, 2, and 3 only
d. 1, 2, 3, and 4
ANS: C
Arterial puncture involves drawing blood from a peripheral artery (radial, brachial, femoral, or dorsalis pedis) through a single percutaneous needle puncture.
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