In a CPR emergency for adults, you should perform 30 chest compressions followed by 2 rescue breaths. This sequence is critical to maintain blood circulation and provide oxygen until professional help arrives. Therefore, the correct answer is option A: 2 rescue breaths/30 compressions.
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In CPR for adults, the correct protocol is to administer 30 compressions followed by 2 rescue breaths. This sequence should be repeated until help arrives or the individual starts to breathe. Following this method increases the chances of survival during a cardiac emergency. ;