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Invasives GI Practice Exam

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The nurse should monitor for which condition as a complication of total parenteral nutrition (TPN)?
Correct Answer:
Polyuria
Explanation:
Total parenteral nutrition delivers a large glucose load directly into the bloodstream. When blood glucose rises, the kidneys excrete the excess glucose with water, causing osmotic diuresis and increased urine output. This makes polyuria the most relevant complication to monitor with TPN. Track urine output closely and monitor blood glucose and electrolytes, adjusting the TPN rate or adding insulin per protocol if hyperglycemia occurs. The other options are less specifically tied to TPN: aspiration risk is more a concern with enteral feeding, abdominal distention can arise from various GI issues, and stomatitis is not a hallmark complication of TPN. The key idea is the glucose load from TPN causing osmotic diuresis and polyuria.

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