A __ occurs when the blood supply within the heart is severely reduced or cut off heart attack stroke hypertension atherosclerosis

## Step 1<br />The question is asking for the term that describes a condition where the blood supply within the heart is severely reduced or cut off. This is a description of a heart attack.<br /><br />## Step 2<br />A heart attack, also known as a myocardial infarction, occurs when blood flow to a part of the heart muscle is blocked, usually by a blood clot. This can damage or destroy the affected part of the heart muscle.<br /><br />## Step 3<br />The other options provided, such as stroke, hypertension, and atherosclerosis, are all related to the cardiovascular system but do not specifically describe the condition where the blood supply within the heart is severely reduced or cut off.