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 D
Explanation
Choice A rationale
Supplements alone are not sufficient to treat cancer. They may be used as supportive care but not as primary treatment.
Choice B rationale
Late detection reduces treatment options and effectiveness, leading to poorer outcomes for cancer patients.
Choice C rationale
Herbal remedies alone do not have scientifically proven efficacy in treating cancer and should not replace conventional treatments.
Choice D rationale
Chemotherapy uses cytotoxic drugs to kill or inhibit cancer cell growth, making it a primary treatment for many cancers, including pancreatic cancer. .
Correct Answer is D
Explanation
Choice A rationale
Not giving the medication and notifying the provider can cause unnecessary delays in treatment.
Choice B rationale
Administering the medication without checking the expiration date can result in administering an ineffective or harmful medication.
Choice C rationale
There is no need to notify the provider if the medication is already prescribed and not expired.
Choice D rationale
Checking the medication's expiration date ensures the medication is safe to administer and effective.
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