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

Dimenhydrinate (Dramamine)

Metoclopramide (Reglan)

Scopolamine (Scopace)

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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Correct Answer is A

Explanation

A. Prolonged QT interval – This is correct. Ondansetron can cause prolongation of the QT interval, increasing the risk of arrhythmias, including torsades de pointes. This is a serious complication that requires monitoring, particularly in clients with cardiac risks.

B. Extrapyramidal symptoms – This is incorrect. Ondansetron does not typically cause extrapyramidal symptoms, which are more associated with dopamine antagonists like metoclopramide or prochlorperazine.

C. Nausea – This is incorrect. Ondansetron is specifically used to treat nausea and vomiting, not to cause them. If nausea persists, it may indicate treatment failure or another underlying issue.

D. Vomiting – This is incorrect. Ondansetron is an antiemetic and works to prevent vomiting. Vomiting would not be a complication of this medication under proper use.

A. "This medication may cause increased libido." B. "You may take this medication with antacids to prevent stomach upset." C. "This medication will neutralize your stomach acid." D. "This medication may cause decreased libido."

Correct Answer is D

Explanation

A. "This medication may cause increased libido." This is incorrect. Cimetidine (Tagamet) can cause side effects such as decreased libido, especially in men. This occurs because the drug inhibits the action of certain hormones, leading to sexual dysfunction.

B. "You may take this medication with antacids to prevent stomach upset." This is incorrect. Cimetidine should not be taken with antacids because antacids can reduce its absorption and effectiveness. It is advised to space the administration of cimetidine and antacids by at least 1 hour.

C. "This medication will neutralize your stomach acid." This is incorrect. Cimetidine works by blocking histamine receptors (H2 receptors), which reduces the production of stomach acid but does not neutralize it.

D. "This medication may cause decreased libido." This is correct. One of the side effects of cimetidine is reduced libido, particularly in male clients, due to its anti-androgenic effects.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has been prescribed ondansetron (Zofran) for postoperative nausea and vomiting. Which of the following is a complication associated with this medication?

Correct Answer is A

Explanation

A nurse is teaching a 49-year-old male client who has been newly prescribed cimetidine (Tagamet HB) for the management of peptic ulcer disease. Which of the following statements should the nurse include in the teaching?

Correct Answer is D

Explanation

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