GMA Comprehensive Practice Exam

In CPR with an AED, what is the correct rate and ratio for chest compressions?

100-120 compressions per minute with a 30:2 ratio. 60-80 compressions per minute. 120-140 compressions per minute with continuous compressions. 80-100 compressions per minute with a 15:2 ratio.

Correct Answer:

100-120 compressions per minute with a 30:2 ratio.

Explanation:

Understanding how fast to push and how to pair compressions with breaths when an AED is involved is essential for effective CPR. The recommended rate is 100 to 120 compressions per minute, and when a single rescuer is performing CPR with an AED, the cycle is 30 compressions followed by 2 breaths (30:2). This rhythm maintains blood flow to vital organs while allowing brief pauses for breaths and defibrillation checks. The other options miss either the correct pace or the correct single-rescuer ratio: 60-80 per minute is too slow to sustain circulation, 120-140 per minute with continuous compressions overlooks the necessary breaths and cadence, and 80-100 per minute with a 15:2 ratio reflects a two-rescuer protocol while not matching the standard single-rescuer guidance.

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