First Aid for Corrections Officers Practice Test

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What occurs during a heart attack?

Excessive blood flow to the brain
A clogged blood vessel blocks blood flow to the heart
A rupture of a coronary artery
A sudden drop in blood pressure

The correct answer is: A clogged blood vessel blocks blood flow to the heart

During a heart attack, the primary event is a blockage in one of the coronary arteries, which supply blood to the heart muscle. This blockage is usually caused by a buildup of fatty deposits, cholesterol, and other substances forming a plaque that can rupture, leading to a blood clot. When the blood vessel is obstructed, the heart muscle does not receive enough oxygenated blood, resulting in damage to the heart tissue. This condition is referred to as a myocardial infarction. This understanding clarifies that a heart attack is not characterized by excessive blood flow to the brain, a rupture of a coronary artery, or a sudden drop in blood pressure, which would manifest as different medical emergencies. Therefore, the focus on the blockage and its consequences is crucial in identifying the phenomena associated with a heart attack.