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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D","E"]
Explanation
A. Dizziness is a common side effect of nitroglycerin due to its vasodilatory effects.
B. Hyponatremia and hyperkalemia are not typically associated with nitroglycerin use.
C. Hyponatremia is not typically associated with nitroglycerin use.
D. Hypotension is a common side effect of nitroglycerin due to its vasodilatory effects.
E. Reflex tachycardia, or an increase in heart rate, can occur as a compensatory response to the drop in blood pressure caused by nitroglycerin.
Correct Answer is C
Explanation
A. Placing three tablets under the tongue at once is not the recommended initial dosing for nitroglycerin.
B. Nitroglycerin tablets should not be swallowed; they are meant to be taken sublingually (under the tongue) for quick absorption.
C. This is the correct instruction, reflecting the standard protocol for acute angina treatment with nitroglycerin: one tablet under the tongue every 5 minutes as needed, with no more than three tablets in 15 minutes. If pain persists, it is advised to call emergency services.
D. This instruction is inappropriate as it delays immediate treatment for chest pain, which can be critical in the event of acute angina or a heart attack.
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