Nathaniel wants to measure his own pulse. What is the MOST accurate way for him to perform this measurement?
 O
 He should feel for his carotid artery on the side of his neck
 B
 He should place his thumb on his radial artery
 C. He should place his wrist on the inside of his opposite elbow.
 O D. He should feel for his heart in his chest with the palm of his hand.
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