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The organic nitrates relieve angina pain by veins and coronary arteries.

A.

reducing

B.

constricting

C.

dissolving

D.

dilating

Answer and Explanation

The Correct Answer is D

A. Organic nitrates, such as nitroglycerin, dilate (widen) veins and coronary arteries, leading to decreased preload and afterload, which helps relieve angina pain.

B. Constricting veins and coronary arteries would exacerbate angina symptoms by reducing blood flow to the heart muscle.

C. Dissolving veins and coronary arteries is not a mechanism of action for organic nitrates in the treatment of angina.

D. Dilating veins and coronary arteries is the primary mechanism of action for organic nitrates, resulting in increased blood flow to the heart muscle and relief of angina pain.


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Correct Answer is A

Explanation

A. HDL cholesterol is often referred to as "good" cholesterol because it helps remove other forms of cholesterol from your bloodstream, decreasing the risk of heart disease.

B. "Contraindicated" is not a term used to describe cholesterol.

C. "Bad" cholesterol typically refers to LDL (low-density lipoprotein), which deposits cholesterol in the walls of blood vessels.

D. "Lifestyle" is not a term used to categorize cholesterol.

Correct Answer is D

Explanation

A. Sleepiness is not typically associated with a low lithium level.

B. A relaxed appearance is not typically associated with a low lithium level.

C. Calm behavior is not typically associated with a low lithium level.

D. A lithium level of 0.3 mEq/L is considered below the therapeutic range, which typically falls between 0.6 and 1.2 mEq/L. Therefore, a nurse would expect to assess symptoms of under-medication, such as potential recurrence of manic symptoms, such hyperactivity.

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