The nursing instructor asks the student nurse to explain the action of sumatriptan.
What is the student's best response?
Vasodilation of peripheral blood vessels.
Depresses pain response in the central nervous system.
Vasoconstrictive on cranial blood vessels.
Binds to acetylcholine receptors to prevent nerve transmission.
The Correct Answer is C
Choice A rationale
Sumatriptan does not cause vasodilation of peripheral blood vessels. Instead, it has vasoconstrictive properties.
Choice B rationale
Sumatriptan does not depress pain response in the central nervous system. Its primary action is on the cranial blood vessels.
Choice C rationale
Sumatriptan is a selective serotonin receptor agonist that causes vasoconstriction of cranial blood vessels, relieving migraine headaches.
Choice D rationale
Sumatriptan does not bind to acetylcholine receptors or prevent nerve transmission. It specifically targets serotonin receptors in cranial blood vessels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","D","E"]
Explanation
Choice A rationale
Analyzing data collected is part of the assessment phase, not the intervention phase.
Choice B rationale
Collecting a nursing history is part of the assessment phase of the nursing process, not the intervention phase.
Choice C rationale
Determining medication effectiveness is a critical aspect of the intervention phase, as it assesses the therapeutic outcomes of the administered drugs.
Choice D rationale
Documenting the medication is a key action in the intervention phase to ensure accurate and up-to-date patient records and safe administration.
Choice E rationale
Administering the medication is a direct intervention related to drug therapy and is part of the intervention phase.
Correct Answer is C
Explanation
Choice A rationale
Poor self-care is not directly associated with reddened, bleeding gums in this context.
Choice B rationale
While aspirin can cause bleeding issues, the context here is related to seizure disorder and phenytoin.
Choice C rationale
Phenytoin, an anticonvulsant used to manage seizures, can cause gingival hyperplasia, leading to reddened and bleeding gums.
Choice D rationale
Hepatotoxicity is related to liver damage and does not present with reddened, bleeding gums.
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