How far must the sternum be depressed in an adult to perform cardiopulmonary resuscitation (CPR) effectively
{"Image DocumentName": "How far must the sternum be depressed in an adult to perform cardiopulmonary resuscitation (CPR) effectively?", "Image ImageDescription": "A. 1/2 to 1 inch. B. 1 to 1 1/2 inches. C. 1 1/2 to 2 inches. D. 2 to 2 1/2 inches.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}