For questions 13, 14, and 15 Read the paragraph and choose t…
For questions 13, 14, and 15 Read the paragraph and choose the letter of the best answer to each question. CPR—or cardiopulmonary resuscitation—is a life-saving procedure that forces oxygen-rich blood through a body in which the heart has stopped. A person is not “dead” until his or her brain has died, which happens after about six minutes once the heart has stopped pumping blood through the brain. When a qualified person does CPR, he or she presses on the patient’s chest, squeezing the stopped heart between the breast bone and the spine, which forces blood through the body. Between each series of pumps, the rescuer breathes into the victim’s mouth, sending fresh oxygen into his lungs and into the blood. Many people are alive today because of CPR. *************** After someone’s heart has stopped, _____.