The purpose of performing CPR on a person who has experienced sudden cardiac arrest is to ____. ...

The purpose of performing CPR on a person who has experienced sudden cardiac arrest is to ____.
 
  a. restart their heart
  b. ensure an oxygen supply to their brain
  c. keep their lungs inflated
  d. restart their heart and ensure an oxygen supply to their brain
  e. restart their heart and keep their lungs inflated

Question 2

The chances of surviving sudden cardiac arrest increases by ___ percent when the affected person receives
  cardiopulmonary resuscitation (CPR) within ___ minutes after the event.
 
  a. 100; a few
  b. 50; a few
  c. 50; 10
  d. 100; 10
  e. 50; 20