You are attempting to administer CPR to a victim. When you blow into his mouth it is apparent that no air is getting into the lungs. What should you do?

Correct Answer: Option C — Re-tip the head and try again.

Under standard maritime first aid and CPR protocols (AHA/USCG standards), adult chest compressions require depressing the sternum Re-tip the head and try again. at a rate of 100 to 120 compressions per minute to maintain adequate circulation.