A client has a new prescription for dextromethorphan (Robitussin). Which of the following is a therapeutic use for this medication?
Asthma.
Cough suppression.
Reduction of pain.
Treatment of allergic rhinitis.
The Correct Answer is B
Choice A rationale
Dextromethorphan is not used for asthma. Asthma treatment typically involves bronchodilators and anti-inflammatory medications.
Choice B rationale
Dextromethorphan is an antitussive used to suppress coughing. It acts on the cough center in the brain to reduce the urge to cough.
Choice C rationale
This medication is not used for pain reduction. Pain management usually involves analgesics or anti-inflammatory drugs.
Choice D rationale
Dextromethorphan is not indicated for allergic rhinitis. Allergic rhinitis treatments typically include antihistamines or nasal corticosteroids.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Ondansetron (Zofran) is an anti-emetic medication used to prevent nausea and vomiting by blocking serotonin receptors in the chemoreceptor trigger zone and the gastrointestinal tract.
Choice B rationale
Acetaminophen (Tylenol) is an analgesic and antipyretic medication used to relieve pain and reduce fever, but it is not an anti-emetic.
Choice C rationale
Prochlorperazine (Compazine) is an anti-psychotic and anti-emetic medication used to treat nausea and vomiting, as well as certain mental/mood disorders.
Choice D rationale
Morphine Sulfate is an opioid analgesic used to relieve moderate to severe pain but does not have anti-emetic properties.
Correct Answer is D
Explanation
Choice A rationale
Albuterol is a bronchodilator used to relax muscles in the airways and increase airflow to the lungs. It is primarily used in conditions such as asthma and chronic obstructive pulmonary disease (COPD), not as a decongestant.
Choice B rationale
Beclomethasone is a corticosteroid used to reduce inflammation in conditions such as asthma and allergic rhinitis. While it helps with symptoms, it is not classified as a decongestant.
Choice C rationale
Diphenhydramine is an antihistamine that alleviates allergy symptoms by blocking histamine action. It can relieve sneezing, itching, and runny nose but is not classified as a decongestant.
Choice D rationale
Phenylephrine is a decongestant that works by constricting blood vessels in the nasal passages. This reduces swelling and congestion, making it effective for managing symptoms of allergic rhinitis. .
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