What is the correct depth and rate of chest compressions for an adult in cardiac arrest?
Answer and explanation
Correct answer: A. About 5 to 6 cm deep, at 100 to 120 a minute
- Step 1: Guidelines say to press on the centre of the chest to a depth of 5 to 6 cm at 100 to 120 per minute. Step 2. Compressions that are shallower or slower do not circulate enough blood. Answer: About 5 to 6 cm deep, at 100 to 120 a minute. Why not the others: The other figures are too shallow, too deep or the wrong rate.
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