A nurse is reinforcing teaching with a client who is scheduled for a thallium scan. When talking with the client about this procedure, which of the following statements should the nurse give?

"This test evaluates the heart’s functional capacity."

"This test identifies heart rhythm disturbances."

"This test determines the size of the chambers of the heart."

"This test detects damage to the heart muscle."

Answer and Explanation

The Correct Answer is D

Choice A reason: While a thallium scan can provide information about the heart's functional capacity, it is more specifically used to detect areas of the heart muscle that are not receiving adequate blood supply.

Choice B reason: A thallium scan does not identify heart rhythm disturbances. This is typically evaluated with an electrocardiogram (ECG) or Holter monitor.

Choice C reason: The size of the chambers of the heart is usually assessed through echocardiography or other imaging techniques, not a thallium scan.

Choice D reason: The correct answer is d because a thallium scan detects damage to the heart muscle by identifying areas with reduced blood flow, which may indicate ischemia or previous infarction.

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Correct Answer is C

Explanation

Choice A reason: Lactulose is a laxative used to treat constipation and hepatic encephalopathy by reducing blood ammonia levels, but it is not effective in lowering serum potassium levels. Therefore, it would not be the appropriate medication for treating hyperkalemia.

Choice B reason: Triamterene is a potassium-sparing diuretic, which means it helps the body retain potassium. Administering Triamterene in a client with high potassium levels (hyperkalemia) would exacerbate the condition rather than improve it. Hence, it is not a suitable choice for this scenario.

Choice C reason: Sodium polystyrene sulfonate (Kayexalate) is used to treat hyperkalemia by binding to potassium in the intestines and facilitating its removal from the body through feces. It effectively reduces serum potassium levels, making it the appropriate medication for a client with hyperkalemia.

Choice D reason: Acetylcysteine is used primarily as a mucolytic agent to break down mucus in the airways or as an antidote for acetaminophen (paracetamol) overdose. It does not have any effect on serum potassium levels and is not suitable for treating hyperkalemia.

A. "I took a laxative yesterday." B. "I took my metformin before breakfast." C. "I haven't had anything to eat or drink since last night." D. "The last time I voided it was painful."

Correct Answer is B

Explanation

Choice A reason: Taking a laxative the day before an IVP is a common preparation to clear the intestines for better imaging. This statement does not require additional data collection.

Choice B reason: The correct answer is b because taking metformin before an IVP can increase the risk of lactic acidosis, a serious complication. Metformin should be temporarily discontinued before and after the procedure, and the nurse should gather more information to manage the client’s diabetes safely.

Choice C reason: Fasting before an IVP is standard procedure to ensure clear imaging. This statement does not require additional data collection.

Choice D reason: Painful voiding may be related to kidney stones but is not a contraindication for an IVP. This statement does not require additional data collection.

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A nurse is reinforcing teaching with a client who is scheduled for a thallium scan. When talking with the client about this procedure, which of the following statements should the nurse give?

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Naxlex Comprehensive Predictor Exams

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