Advanced Cardiovascular Life Support (ACLS) Practice Exam 2025 – Your Comprehensive All-in-One Guide to Exam Success!

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What is the recommended depth of chest compressions during adult CPR?

At least 1 inch (2.5 cm) deep

At least 2 inches (5 cm) deep

The recommended depth of chest compressions during adult CPR is at least 2 inches (5 cm) deep. This depth is essential to ensure effective circulation and to generate enough pressure to perfuse vital organs, particularly the heart and brain, during cardiac arrest. Compressing to this depth allows for adequate blood flow, which is critical during the unresponsive state of a person experiencing a cardiac emergency.

Additionally, it’s important to allow for complete chest recoil between compressions to maximize blood return to the heart. Achieving the correct depth can be challenging, and rescuers should aim to maintain a rate of 100 to 120 compressions per minute while ensuring that the compressions are both deep and consistent. Therefore, recognizing the significance of 2 inches as the minimum depth aligns with established guidelines to optimize the chances of survival and recovery after cardiac arrest.

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At least 2.5 inches (6.5 cm) deep

At least 3 inches (7.5 cm) deep

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