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 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.

A. This medication prevents venous thrombosis. B. This medication prevents angina pectoris. C. This medication is to treat bradycardia. D. This medication is to treat hypertension.

Correct Answer is A

Explanation

Choice A rationale

Warfarin is an anticoagulant that is used to prevent venous thrombosis and thromboembolic events by inhibiting the synthesis of vitamin K-dependent clotting factors.

Choice B rationale

Warfarin is not used to prevent angina pectoris, which is typically managed with nitrates, beta-blockers, or calcium channel blockers.

Choice C rationale

Warfarin is not used to treat bradycardia, which is usually managed with medications like atropine or pacemaker implantation.

Choice D rationale

Warfarin is not used to treat hypertension. Antihypertensive medications such as ACE inhibitors, beta-blockers, or diuretics are used for this purpose.

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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

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