Your patient is a 17-year-old boy who is unresponsive and his chest is not rising and falling. You send a bystander to call 911 and place the patient on his back. To administer CPR, the first you thing you need to do next is:
A. check the carotid artery for a pulse.
B. check the brachial artery for a pulse.
C. deliver compressions no deeper than 2.4 inches.
D. place the heel of your hand on the lower half of the patient's sternum.
Answer: A
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