A nurse is collecting data from a client who is taking dimenhydrinate to treat motion sickness. Which of the following findings is an adverse effect of this medication?

Drowsiness

Hypertension

Polyuria

Dependent edema

Answer and Explanation

The Correct Answer is A

A. Drowsiness. Dimenhydrinate is an antihistamine that works by blocking histamine and acetylcholine receptors in the brain to prevent nausea and vomiting. A common adverse effect is drowsiness due to its sedative properties, which can impair alertness and coordination. Clients should be advised to avoid activities requiring mental alertness, such as driving, until they understand how the medication affects them.

B. Hypertension. Dimenhydrinate does not typically cause hypertension. Instead, it may lead to mild hypotension due to its sedative and anticholinergic effects. Clients with pre-existing hypertension should still monitor their blood pressure, but significant increases are uncommon.

C. Polyuria. Increased urination is not associated with dimenhydrinate use. Antihistamines, including dimenhydrinate, have anticholinergic properties, which can lead to urinary retention rather than increased urine output. Clients experiencing difficulty urinating should report this to their healthcare provider.

D. Dependent edema. Dimenhydrinate does not cause fluid retention or edema. Medications that contribute to edema typically involve hormonal, cardiovascular, or kidney-related effects, which are not mechanisms of dimenhydrinate. If a client develops unexplained edema, other underlying conditions should be investigated.

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Correct Answer is C

Explanation

A. Deferoxamine. Deferoxamine is a chelating agent used to treat iron overload or toxicity. It has no role in managing an acute allergic reaction or respiratory distress caused by nafcillin, a penicillin-type antibiotic.

B. Vitamin K. Vitamin K is used to reverse the effects of warfarin-induced anticoagulation and is not indicated for treating an allergic reaction. Anaphylaxis is not related to coagulation disturbances, making this an inappropriate intervention.

C. Epinephrine. Epinephrine is the first-line treatment for anaphylaxis, which can present with difficulty breathing, bronchospasm, and hypotension. It works by stimulating alpha- and beta-adrenergic receptors, leading to bronchodilation, increased cardiac output, and vasoconstriction to counteract severe allergic reactions. Immediate administration is necessary to prevent further airway compromise and circulatory collapse.

D. Prednisone. Prednisone is a corticosteroid used to reduce inflammation and prevent delayed allergic reactions. While it may be prescribed as part of long-term management, it does not provide the rapid bronchodilation and vasoconstriction needed for emergency treatment of anaphylaxis.

A. A pregnant parent B. Receiving treatment for leukemia C. Taking acetaminophen for mild discomfort D. An allergy to eggs

Correct Answer is B

Explanation

A. A pregnant parent. A child can receive the varicella vaccine even if the parent is pregnant. While the varicella vaccine is a live attenuated vaccine, the vaccinated child does not pose a significant risk of transmission to others. The parent should avoid direct contact with the vaccinee's rash if one develops, but this is not a contraindication to immunization.

B. Receiving treatment for leukemia. Children undergoing treatment for leukemia often have weakened immune systems due to chemotherapy or radiation. The varicella vaccine is a live attenuated vaccine, meaning it contains a weakened form of the virus that could cause severe illness in immunocompromised individuals. These children should not receive live vaccines until their immune function improves and their healthcare provider approves vaccination.

C. Taking acetaminophen for mild discomfort. Acetaminophen is an over-the-counter pain reliever and fever reducer that does not interfere with the efficacy or safety of the varicella vaccine. There is no evidence that mild analgesic use before or after vaccination affects immune response, so it is not a reason to withhold the immunization.

D. An allergy to eggs. Unlike some influenza and yellow fever vaccines, the varicella vaccine is not produced using egg-based components. An egg allergy is not a contraindication to receiving the varicella vaccine, as it does not contain egg proteins.

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A nurse is collecting data from a client who is taking dimenhydrinate to treat motion sickness. Which of the following findings is an adverse effect of this medication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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