Question

select the correct answer.
pedro has a heart attack. which procedure, also called the chain of survival, can be helpful to maintain blood flow and oxygen intake?
a. angioplasty
b. bypass surgery
c. cardiopulmonary resuscitation
d. open - heart surgery

Explanation:

Cardiopulmonary resuscitation (CPR) is part of "the chain of survival" which helps maintain blood flow and oxygen intake during a heart attack. Angioplasty, bypass surgery, and open - heart surgery are more invasive procedures that are not part of the immediate "chain of survival" for maintaining blood flow and oxygen intake in the initial stages of a heart attack.

Answer:

C. cardiopulmonary resuscitation