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What is the correct medical term used to describe impaired blood flow in the coronary arteries?

A.

Coronary heart disease

B.

Cerebrovascular accident

C.

Myocardial infarction

D.

Angina pectoris

Answer and Explanation

The Correct Answer is A

A. Coronary heart disease (CHD) refers to the narrowing or blockage of the coronary arteries due to the buildup of plaque, leading to reduced blood flow to the heart muscle.

B. Cerebrovascular accident (CVA) refers to a stroke, which involves impaired blood flow to the brain rather than the heart.

C. Myocardial infarction (MI) is a heart attack, which occurs when blood flow to a part of the heart is blocked for a long enough time that part of the heart muscle is damaged or dies.

D. Angina pectoris is chest pain or discomfort caused by reduced blood flow to the heart muscle.


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Related Questions

Correct Answer is B

Explanation

Explanation:

A. Beta blockers are used to manage blood pressure and heart rate but are a different class.

B. Isosorbide is a nitrate, which is used primarily to treat and prevent episodes of angina by relaxing and widening blood vessels.

C. Calcium channel blockers also manage blood pressure and chest pain but act through a different mechanism.

D. Glycoprotein IIb/IIIa receptor antagonists are used to prevent platelet aggregation and are typically used in acute coronary syndrome, not as a long-term treatment for angina.

Correct Answer is A

Explanation

A. Atorvastatin (Lipitor) is a statin medication that works by inhibiting the enzyme HMG-CoA reductase, which plays a key role in cholesterol synthesis in the liver, thereby lowering cholesterol levels.

B. Atorvastatin's mechanism of action is well understood; it is not accurate to say its action is not understood.

C. Atorvastatin does not bind to cholesterol; instead, it inhibits its production in the liver.

D. Atorvastatin does not directly cause the body to excrete cholesterol but rather reduces its production in the liver.

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