When performing adult CPR as a lone rescuer, what is the correct compression-to-ventilation ratio?

When performing adult CPR as a lone rescuer

Multiple choice — select the best answer

A15:1
B15:2
C30:2
D30:1

✓ Correct answer: C. 30:2 The AHA BLS standard for a lone rescuer performing adult CPR is 30 compressions followed by 2 ventilations, regardless of whether an advanced airway is in place.

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Topic: Basic Life Support (BLS)

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When performing adult CPR as a lone rescuer, what is the correct compression-to-ventilation ratio?

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