A nurse is teaching a group of nurses about the administration of nitroglycerin. Which of the following routes of administration provides the most rapid onset for the client?
Topical ointment
Sustained-release
Sublingual
Transdermal patch
The Correct Answer is C
Choice A: Topical ointment Topical ointment forms of nitroglycerin are used for their long-acting effects. The medication is absorbed slowly through the skin, providing a steady level of drug in the bloodstream. This form is not designed for rapid relief of acute angina attacks but rather for prevention.
Choice B: Sustained-release Sustained-release forms of nitroglycerin are designed to release the medication slowly over an extended period. This route is also not suitable for treating acute symptoms because it does not provide immediate relief but is used for long-term management of angina pectoris. Nitroglycerin is a medication used primarily to treat angina pectoris (chest pain) and heart failure. It works by relaxing the smooth muscles and dilating the blood vessels, which increases blood flow to the heart and decreases its workload. The route of administration can significantly affect the onset and duration of the medication’s action.
Choice C: Sublingual The sublingual route, where the medication is placed under the tongue, allows for rapid absorption into the bloodstream through the rich supply of blood vessels found in the area. This form of nitroglycerin acts quickly, usually within 1 to 3 minutes, and is the preferred choice for immediate relief of angina pain. When rapid onset is required for relief from acute angina symptoms, the sublingual route is the most appropriate choice for administering nitroglycerin. It provides quick absorption and fast action, making it an essential treatment option for patients experiencing chest pain due to angina.
Choice D: Transdermal patch Transdermal patches release nitroglycerin slowly through the skin and into the bloodstream. Like topical ointments and sustained-release forms, they are used for long-term prophylaxis of angina and not for rapid relief.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:Testing the drainage for the halo sign is the first action the nurse should take, as clear drainage from the nose following a basal skull fracture could indicate a cerebrospinal fluid (CSF) leak, which contains glucose.
Choice B reason:Asking the client to blow his nose could potentially increase the risk of infection or worsen a CSF leak and is not recommended as a first action.
Choice C reason:While notifying the physician is important, it should be done after confirming whether the drainage is CSF, which would require immediate medical intervention.
Choice D reason:Suctioning the nostril is not the first action to take, as it could potentially disrupt the site of the leak and is not diagnostic of a CSF leak.
Correct Answer is B
Explanation
Choice A reason:
A headache is not typically an indication of an allergy to nitroglycerin. Allergic reactions are more likely to present with symptoms such as rash, itching, or difficulty breathing.
Choice B reason:Headaches are a well-known side effect of nitroglycerin, due to its vasodilating effects, which can cause dilation of cerebral arteries.
Choice C reason:While anxiety can cause headaches, in this context, where the client has taken nitroglycerin, it is more likely that the headache is a side effect of the medication rather than anxiety.
Choice D reason:Tolerance to medication would reduce the effectiveness of the drug, not typically cause a headache. The headache is a common side effect, not an indication of tolerance.
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