A nurse administered ondansetron (Zofran) IV to a client one hour ago.Which of the following findings should the nurse recognize as a complication of this medication?

Bradycardia.

Absence of nausea.

Shortened QT interval.

Prolonged QT interval.

Answer and Explanation

The Correct Answer is D

Choice A rationale

Bradycardia is not a common complication of ondansetron (Zofran). Instead, one should watch for changes in heart rhythm such as QT interval prolongation.

Choice B rationale

Absence of nausea indicates the desired effect of ondansetron, not a complication.

Choice C rationale

Ondansetron is associated with prolongation of the QT interval, not shortening. QT interval shortening is not a recognized complication.

Choice D rationale

Prolonged QT interval is a known complication of ondansetron and can increase the risk of life-threatening arrhythmias. .

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Correct Answer is C

Explanation

Choice A rationale

Cimetidine is an H2 receptor antagonist used to treat acid-related disorders, not an antibiotic.

Choice B rationale

Warfarin is an anticoagulant used to prevent blood clots, not to treat infections.

Choice C rationale

Tetracycline is an antibiotic effective against a broad range of bacteria, including H. pylori.

Choice D rationale

Omeprazole is a proton pump inhibitor used to reduce stomach acid, not an antibiotic.

A. Lactated Ringers (LR). B. 0.45% Sodium Chloride. C. Dextrose in Lactated Ringers. D. None of the above.

Correct Answer is A

Explanation

Choice A rationale

Lactated Ringers (LR) is an isotonic solution, which means it has the same osmolarity as blood plasma. This property makes LR suitable for rehydrating patients without causing a significant shift of fluids between compartments, maintaining the balance of electrolytes.

Choice B rationale

0.45% Sodium Chloride is a hypotonic solution, meaning it has a lower osmolarity compared to blood plasma. This type of solution would cause fluid to move into cells, potentially leading to cellular swelling.

Choice C rationale

Dextrose in Lactated Ringers is a hypertonic solution because the added dextrose increases the osmolarity. This solution can cause fluid to shift out of cells, leading to cellular shrinkage, which is not ideal for rehydration.

Choice D rationale

None of the above is incorrect because Lactated Ringers (LR) is indeed an isotonic solution.

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A nurse administered ondansetron (Zofran) IV to a client one hour ago.Which of the following findings should the nurse recognize as a complication of this medication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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