A heart attack occurs when
A) the heart becomes unable to push blood through clogged arteries throughout the body.
B) cardiac muscle loses its ability to conduct electrical stimuli.
C) blockages develop in the aorta or pulmonary artery.
D) the heart muscle dies due to lack of oxygen.

Question

Quizplus · Accepted Answer

A heart attack, or myocardial infarction, occurs when blood flow to a part of the heart is blocked, often by a blood clot, leading to the death of heart muscle tissue due to lack of oxygen.

A Heart Attack Occurs When