A nurse is 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?
Sublingual.
Suspended-release.
Transdermal patch.
Topical ointment.
The Correct Answer is A
Choice A rationale:
Sublingual administration of nitroglycerin provides the most rapid onset. This route allows the medication to be absorbed directly into the bloodstream through the mucous membranes under the tongue, bypassing the digestive system.
Choice B rationale:
Sustained-release nitroglycerin is designed to be released slowly over time. This form of the drug does not provide rapid relief of acute angina symptoms.
Choice C rationale:
Transdermal patches of nitroglycerin provide a slow, continuous dose of medication. This is beneficial for long-term management of angina, but it does not provide rapid relief.
Choice D rationale:
Topical ointments also provide a slow, continuous dose of medication and are not intended for rapid relief of acute symptoms.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Applying a cold pack to the client’s upper arm would not be the first action to take. It may help reduce swelling, but it does not address the underlying issue.
Choice B rationale:
Measuring the circumference of both upper arms is the correct first action. This will provide objective data about the extent of the swelling, which can then be reported to the healthcare provider.
Choice C rationale:
Removing the PICC line is not the first action to take. This should only be done under the direction of a healthcare provider.
Choice D rationale:
Notifying the provider who inserted the PICC line is important, but it should be done after gathering all necessary data, including measuring the arm circumference.
Correct Answer is B
Explanation
The correct answer is choice B. Inject 20 units of air into the NPH insulin vial.
Choice A rationale:
Replacing the needle for withdrawal with a safety needle is an important step to ensure safety and prevent needle-stick injuries. However, this action is not the first step when mixing two types of insulin. The initial steps involve preparing the insulin vials by injecting air into them.
Choice B rationale:
Injecting 20 units of air into the NPH insulin vial is the correct first step. This is because NPH insulin is a suspension and needs to be mixed properly. Injecting air into the vial helps to equalize the pressure, making it easier to withdraw the correct amount of insulin later. This step is crucial to ensure accurate dosing and proper mixing of the insulin.
Choice C rationale:
Injecting 10 units of air into the regular insulin vial is also necessary, but it is not the first step. The correct sequence is to first inject air into the NPH insulin vial, then into the regular insulin vial. This order helps prevent contamination of the regular insulin with NPH insulin.
Choice D rationale:
Withdrawing 10 units of insulin from the regular insulin vial is an important step, but it should be done after injecting air into both vials. The correct sequence ensures that the insulin is mixed properly and that the doses are accurate.
By following these steps in the correct order, the nurse ensures that the insulin is mixed safely and effectively, minimizing the risk of errors and ensuring proper glycemic control for the patient.
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