Q. The ratio for giving external chest compression and breathing in CPR :

A
30 : 2
B
15 : 2
C
30 : 4
D
15 : 4
Solution:

Cardiopulmonary resuscitation (CPR) is an emergency procedure that combines chest compressions often with artificial ventilation in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.

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