A nurse is reinforcing teaching with a group of nurses about the administration of nitroglycerin. Which of the following routes of administration provides the most rapid onset for the client?
Suspended release
Transdermal patch
Topical ointment
Sublingual
The Correct Answer is D
A. Suspended release formulations typically have a slower onset of action compared to sublingual administration.
B. Transdermal patches provide a slow, continuous release of nitroglycerin and do not offer rapid onset.
C. Topical ointments have a slower onset of action compared to sublingual administration.
D. Sublingual administration of nitroglycerin provides the most rapid onset of action due to direct absorption through the oral mucosa.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Taking cholestyramine with food may interfere with its absorption, reducing its effectiveness.
B. Taking cholestyramine without food is not typically recommended.
C. Taking cholestyramine in the morning is not specifically indicated; it can be taken at any time of the day.
D. Taking cholestyramine with large amounts of fluid helps prevent gastrointestinal side effects and improves its effectiveness in lowering cholesterol levels.
Correct Answer is D
Explanation
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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