70.
In cardiopulmonary resuscitation (CPR), the key objective of rescue breathing and chest compressions is to:
A:
Clear a foreign-body obstruction in the airway of an unconscious victim.
B:
Oxygenate and circulate the blood in a victim whose heart has stopped beating.
C:
Shock the heart of a victim of cardiac arrest so that a normal heart rhythm is resumed.
D:
Provide artificial ventilation for a victim who is in severe respiratory distress.
The answer is:
B