What is the recommended chest compression depth for adult CPR?

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Multiple Choice

What is the recommended chest compression depth for adult CPR?

Explanation:
Chest compressions for adults must be deep enough to move blood effectively, about 2 inches (5 cm). This depth provides enough pressure to circulate blood without overpenetrating the chest. Too shallow (1 inch or about 3 cm) won’t generate adequate blood flow, while going much deeper (around 4 inches) increases the risk of injury. In many guidelines, the target is at least 2 inches, with a common upper reference around 2.4 inches, but the key idea is: roughly 2 inches for adults to balance efficacy and safety.

Chest compressions for adults must be deep enough to move blood effectively, about 2 inches (5 cm). This depth provides enough pressure to circulate blood without overpenetrating the chest. Too shallow (1 inch or about 3 cm) won’t generate adequate blood flow, while going much deeper (around 4 inches) increases the risk of injury. In many guidelines, the target is at least 2 inches, with a common upper reference around 2.4 inches, but the key idea is: roughly 2 inches for adults to balance efficacy and safety.

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