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Patient expresses concerns about motion sickness. Which medication is most effective in preventing motion sickness?

A.

Serotonin antagonists

B.

Corticosteroids

C.

Phenothiazines

D.

Anticholinergics

Answer and Explanation

The Correct Answer is D

A. Serotonin antagonists: Serotonin antagonists are effective for nausea caused by chemotherapy or other medical treatments but are not the first line of treatment for motion sickness.

B. Corticosteroids: Corticosteroids are used for inflammation and immune response modulation but are not effective in preventing motion sickness.

C. Phenothiazines: While phenothiazines (e.g., promethazine) are used to treat nausea and vomiting, they are less commonly used for motion sickness prevention compared to anticholinergics.

D. Anticholinergics: Anticholinergic medications like scopolamine are the most effective for preventing motion sickness. They work by blocking the action of acetylcholine, a neurotransmitter involved in nausea and vomiting.


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Related Questions

Correct Answer is B

Explanation

A. Caries: While xerostomia can increase the risk of dental caries, saliva substitutes are not a direct treatment for cavities.

B. Xerostomia: This condition is directly treated with saliva substitutes to provide moisture and lubrication.

C. Halitosis: Saliva substitutes may indirectly help with bad breath but are not a direct treatment.

D. Mucositis: This involves inflammation of the mucous membranes, typically managed with pain relief and protective agents, not saliva substitutes.

Correct Answer is D

Explanation

A. Assist patient to a semi-Fowler position: While elevating the head may aid in swallowing, tilting the head forward is a more effective method to direct food into the esophagus and reduce aspiration risk.

B. Encourage the resident to eat meals in the main dining area: While social interaction is beneficial, it does not directly improve dysphagia.

C. Insert a nasogastric tube for feedings: This is reserved for severe cases where oral intake is not possible.

D. Instruct the patient to tilt his or her head slightly forward: This technique (chin-tuck position) improves swallowing by aligning the airway and esophagus, reducing the risk of aspiration.

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