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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 A

Explanation

A. Lipohypertrophy – This is correct. Lipohypertrophy is the thickening of subcutaneous fat that can occur from repeated insulin injections at the same site. This can interfere with insulin absorption, leading to inconsistent glucose control. Rotating injection sites prevents this complication and ensures even absorption of insulin.

B. Injection pain – This is incorrect. Injection pain is typically related to technique or needle size rather than the location. Rotating injection sites does not specifically address this issue.

C. Rapid absorption – This is incorrect. Rotating injection sites does not necessarily prevent rapid absorption but ensures more consistent absorption rates.

D. Intradermal injection – This is incorrect. Intradermal injection occurs when the needle is not inserted deep enough, unrelated to rotating injection sites.

Correct Answer is A

Explanation

A. "I will take both aluminum hydroxide (Amphojel) and cimetidine (Tagamet HB) at the same time." – This is correct. Taking aluminum hydroxide and cimetidine simultaneously reduces the effectiveness of cimetidine by impairing its absorption. This statement indicates a need for further teaching.

B. "I will take aluminum hydroxide (Amphojel) 1 hour before taking cimetidine (Tagamet HB)." – This is incorrect. Taking aluminum hydroxide 1 hour before cimetidine allows enough time for the antacid's effects on stomach acidity to stabilize, reducing interference.

C. "I can take aluminum hydroxide (Amphojel) 2 hours before taking cimetidine (Tagamet HB)." – This is incorrect. Taking the antacid 2 hours before cimetidine provides sufficient time for proper absorption of the medication.

D. None of the above – This is incorrect because statement A reflects improper administration.

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