A nurse is educating a client about a new prescription for celecoxib.
Which of the following information should the nurse include in the teaching about the medication's mechanism of action?
Inhibits histamine response.
Inhibits COX-2.
Inhibits COX-1.
Inhibits beta receptors.
The Correct Answer is B
Choice A rationale
Celecoxib does not inhibit the histamine response. Histamine is involved in allergic reactions, and celecoxib is a nonsteroidal anti-inflammatory drug (NSAID) that targets specific enzymes involved in inflammation.
Choice B rationale
Celecoxib specifically inhibits COX-2, an enzyme involved in the inflammation pathway. This selective inhibition helps reduce inflammation and pain without significantly affecting COX-1, which is protective for the stomach lining.
Choice C rationale
COX-1 is not the primary target of celecoxib. Inhibition of COX-1 can lead to gastrointestinal side effects, which celecoxib aims to minimize by selectively inhibiting COX-2 instead.
Choice D rationale
Celecoxib does not inhibit beta receptors. Beta receptors are involved in cardiovascular responses, and beta blockers are used for conditions like hypertension, not inflammation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Sumatriptan (Imitrex) is not used for treating opioid use disorder. It is specifically indicated for the acute treatment of migraines.
Choice B rationale
Sumatriptan (Imitrex) is a selective serotonin receptor agonist used for the treatment of migraines. It works by constricting blood vessels in the brain and reducing substances that trigger headache pain and symptoms.
Choice C rationale
Sumatriptan (Imitrex) is not classified as a general analgesic but is specifically used for migraine relief.
Choice D rationale
Sumatriptan (Imitrex) is not used for all of the above purposes. Its primary indication is for the treatment of migraines. .
Correct Answer is ["B","C"]
Explanation
Choice A rationale
Taking one dose immediately and continuing the regular schedule might not provide sufficient contraceptive protection after missing three days.
Choice B rationale
Using an alternative form of contraception for 7 days is appropriate to ensure continued contraceptive protection after missing doses.
Choice C rationale
Taking two doses over the next two days can help catch up, but using an additional form of contraception for 7 days is also recommended to ensure protection.
Choice D rationale
Continuing the medication as prescribed without any additional precautions could result in ineffective contraception due to the missed doses.
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