Which of the following medications are going to dilate the coronary arteries and redirect blood flow so that ischemic tissue is oxygenated?

Salmeterol

Aspirin

Digoxin

Nitroglycerin

Answer and Explanation

The Correct Answer is D

Choice A reason: Salmeterol, a long-acting bronchodilator, opens airways in asthma or COPD but doesn’t dilate coronary arteries or improve cardiac ischemia, targeting lungs instead.

Choice B reason: Aspirin prevents clotting by inhibiting platelet aggregation, reducing ischemia risk, but it doesn’t directly dilate coronary arteries or acutely redirect blood flow.

Choice C reason: Digoxin increases cardiac contractility in heart failure, improving output, but it doesn’t dilate coronary vessels or specifically oxygenate ischemic myocardium.

Choice D reason: Nitroglycerin, a vasodilator, relaxes coronary arteries, increasing blood flow to ischemic areas, relieving angina by enhancing oxygen delivery to the heart muscle.

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Correct Answer is D

Explanation

Choice A reason: Steak, a solid, requires chewing and swallowing coordination, risking aspiration in dysphagia post-CVA due to impaired pharyngeal muscle control.

Choice B reason: Iced tea, a thin liquid, flows quickly, increasing aspiration risk in CVA patients with weakened swallow reflexes, unable to manage thin consistencies safely.

Choice C reason: Grapes, small and round, pose choking and aspiration hazards in dysphagia, as they require intact bolus control, often compromised post-stroke.

Choice D reason: Mashed potatoes, soft and thick, are easier to swallow, reducing aspiration risk in dysphagia post-CVA, aligning with thickened consistency recommendations.

A. It is important that I take my levothyroxine daily to help manage my hyperthyroidism B. I should avoid foods like kale, cabbage, Brussel sprouts, and cauliflower C. Methimazole will decrease my T3 and T4 levels D. Iodine will prevent the thyroid hormone from being released into the bloodstream

Correct Answer is A

Explanation

Choice A reason: Levothyroxine treats hypothyroidism by adding T4, worsening hyperthyroidism’s excess hormone; antithyroid drugs are needed, so this statement is incorrect.

Choice B reason: Avoiding goitrogens (kale, cabbage) prevents thyroid suppression, appropriate in hyperthyroidism where reducing hormone production is the goal, so this is correct.

Choice C reason: Methimazole inhibits thyroid hormone synthesis, lowering T3 and T4 in hyperthyroidism, a standard treatment, making this statement accurate.

Choice D reason: Iodine blocks thyroid hormone release, reducing circulating T3/T4 in hyperthyroidism, a correct approach, especially in acute settings, so this is valid.

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Which of the following medications are going to dilate the coronary arteries and redirect blood flow so that ischemic tissue is oxygenated?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

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