An adult casualty isn’t breathing. To maintain circulation, CPR should be given. What’s the correct depth to press down on their chest?

A: 1 to 2 centimetres

B: 5 to 6 centimetres

C: 10 to 15 centimetres

D: 15 to 20 centimetres

Hint

An adult casualty isn’t breathing normally. To maintain circulation, place two hands on the centre of the chest. Then press down hard and fast – around 5–6 centimetres and about twice a second.

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