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Which of the following medications are not used to treat motion sickness? (Select All That Apply.)

A.

Dimenhydrinate (Dramamine)

B.

Metoclopramide (Reglan)

C.

Scopolamine (Scopace)

D.

Ondansetron (Zofran)

Answer and Explanation

Correct Answer : B,D

A. Dimenhydrinate is an antihistamine commonly used to treat motion sickness by reducing the stimulation of the vestibular system. 

B. Metoclopramide is not used for motion sickness. Its primary use is for nausea and vomiting caused by conditions such as gastroparesis or chemotherapy, as it works by enhancing gastrointestinal motility. 

C. Scopolamine is specifically indicated for motion sickness. It acts as an anticholinergic to reduce the effects of motion on the vestibular system. 

D. Ondansetron is not used for motion sickness. It is a serotonin antagonist primarily used to treat nausea and vomiting associated with chemotherapy, radiation, or postoperative recovery. 


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Related Questions

Correct Answer is C

Explanation

A. Nausea is the symptom prochlorperazine is intended to treat, so its occurrence would suggest that the medication is not effective rather than being a complication.

B. Prolonged QT interval is not a typical complication of prochlorperazine; it is more commonly associated with medications like ondansetron.

C. Restlessness can indicate akathisia, a potential extrapyramidal side effect of prochlorperazine. This condition involves an intense feeling of restlessness and the need to move, commonly associated with dopamine antagonists.

D. Vomiting is a symptom treated by prochlorperazine and would likely occur due to inadequate control rather than being a complication of the drug itself.

Correct Answer is B

Explanation

A. Glucagon is not used to treat thyroid cancer; treatments for thyroid cancer often include radioactive iodine therapy or surgery.

B. Glucagon is used to treat severe hypoglycemia in diabetic patients when they are unable to take oral glucose. It works by stimulating the liver to release stored glucose into the bloodstream, rapidly raising blood sugar levels.

C. Diabetes insipidus involves a deficiency of antidiuretic hormone or kidney insensitivity to it and is treated with desmopressin or adequate hydration, not glucagon.

D. Type 2 diabetes mellitus is typically managed with lifestyle changes, oral antidiabetic agents, or insulin. Glucagon is not used for routine management but is reserved for severe hypoglycemia emergencies.

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