Question

What is cardiac arrest?

a. a sudden rush of blood from the heart over-exerting itself.
b. a sudden loss of blood flow resulting from the failure of the heart to effectively pump.
c. the sudden draining of the blood from the heart.
d. a sudden loss of air flow resulting from the lungs effectively pumping oxygen.​

Answer 1

A sudden loss of blood flow resulting from the failure of the heart to effectively pump

Step-by-step explanation:

Answer 2

B

Step-by-step explanation: