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?
Prolonged QT interval
Extrapyramidal symptoms
Nausea
Vomiting
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C"]
Explanation
A. "I should apply this patch behind my ear.": This is correct because the scopolamine patch is designed to be applied behind the ear, where it can effectively deliver medication through the skin.
B. "This patch should be replaced every 7 days.": This is incorrect because the scopolamine patch should be replaced every 72 hours (3 days), not every 7 days.
C. "I should not use a second patch if the initial patch is ineffective.": This is correct because using more than one patch at a time can lead to an overdose of the medication, which can cause serious side effects.
D. "Before putting on my patch, I should wipe the area with an alcohol swab.": This is incorrect because using an alcohol swab can irritate the skin and affect the absorption of the medication. The area should be clean and dry, but not cleaned with alcohol.
Correct Answer is B
Explanation
A. Hyperglycemia: While metformin is used to manage blood glucose levels in clients with diabetes, its interaction with contrast dye does not directly lead to hyperglycemia. However, the risk for kidney injury, which can affect glucose regulation, is a concern.
B. Acute renal failure: This is correct. The combination of metformin and iodine-containing contrast dye increases the risk of acute renal failure, also known as contrast-induced nephropathy (CIN). This occurs because contrast agents can cause kidney damage, and metformin is excreted by the kidneys. If renal function is impaired, the buildup of metformin can lead to lactic acidosis.
C. Acute pancreatitis: While acute pancreatitis is a possible side effect of metformin in some individuals, the primary concern with iodine-containing contrast dye is renal failure, not pancreatitis.
D. Acute liver failure: Metformin is primarily metabolized by the kidneys, not the liver, and does not commonly cause liver failure. Renal failure is the more pressing concern with the use of contrast dye in clients taking metformin.
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