Multiple Choice Question

What is the recommended compression-to-ventilation ratio for adult Basic Life Support (BLS) delivered by a single rescuer or two rescuers prior to advanced airway placement?

A

30 : 2
B

5 : 1
C

20 : 2
D

15 : 2

Explanation:

AHA and ERC guidelines specify a 30:2 compression-to-ventilation ratio for adult CPR, maintaining a compression rate of 100-120 per minute and depth of 5-6 cm (2-2.4 inches).

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