A nurse is reviewing a client's laboratory results for the effectiveness of total parenteral nutrition (TPN). Which of the following laboratory values is the best indicator for the nurse to monitor for the short-term effectiveness of the TPN?
Total albumin.
Transferrin.
Hemoglobin.
Prealbumin.
The Correct Answer is D
Choice A rationale:
Total albumin is a valuable indicator of a client's nutritional status, but it has a longer half-life and is slower to reflect short-term changes. It may not accurately reflect the immediate effectiveness of total parenteral nutrition (TPN).
Choice B rationale:
Transferrin is a protein that transports iron in the body and is often used to assess iron deficiency. It is not a specific indicator of the effectiveness of TPN in the short term.
Choice C rationale:
Hemoglobin is a protein found in red blood cells and is responsible for oxygen transport. While it can be affected by nutritional status, it is not the most specific indicator of the effectiveness of TPN in the short term.
Choice D rationale:
Prealbumin (also known as transthyretin) is the best indicator for the nurse to monitor for the short-term effectiveness of TPN. Prealbumin has a short half-life of approximately 2 days, making it sensitive to changes in nutritional status and response to TPN. A decrease in prealbumin levels indicates inadequate nutritional support, while an increase suggests improved nutritional intake.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The correct answer is choice d. “A low-protein diet should be followed for 3 months prior to conception.”
Choice A rationale:
Monitoring serum bilirubin is not relevant for managing phenylketonuria (PKU) during pregnancy. PKU management focuses on maintaining low phenylalanine levels to prevent harm to the developing fetus.
Choice B rationale:
Diet sodas contain aspartame, which is high in phenylalanine and should be completely avoided by individuals with PKU, not just limited to two or three times per week.
Choice C rationale:
Breastfeeding does not prevent a baby from developing PKU. PKU is a genetic disorder, and breastfeeding does not influence the genetic makeup of the baby.
Choice D rationale:
Following a low-protein diet for 3 months prior to conception is crucial for women with PKU. This helps to ensure that phenylalanine levels are low, reducing the risk of birth defects and intellectual disabilities in the baby.
Correct Answer is B
Explanation
Choice A rationale:
Using a washcloth to clean denture surfaces is not the recommended method as it can lead to scratches on the dentures, making them more susceptible to bacterial growth and staining.
Choice B rationale:
Wiping dentures before storing them in a dry container at night is the correct choice. This practice helps remove debris and bacteria, preventing them from accumulating overnight. Storing dentures in a dry container helps maintain their shape and prevents the growth of microorganisms that thrive in moist environments.
Choice C rationale:
Flossing dentures is not necessary and may damage or distort them. Unlike natural teeth, dentures do not have interdental spaces that require flossing.
Choice D rationale:
Wrapping gloved fingers with gauze to remove dentures is not the best practice, as it may cause damage to the dentures and also increases the risk of contamination.
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