A nurse is reviewing the laboratory values for a client who is receiving a phosphate binder with meals for end-stage renal disease. Which of the following values should indicate to the nurse that the treatment is effective?
Serum potassium 4.8 mEq/L.
Total calcium 9.7 mg/dL.
Sodium 136 mEq/L.
Hemoglobin 15 g/dL.
The Correct Answer is B
Choice A rationale:
Serum potassium at 4.8 mEq/L is within the normal range (typically around 3.5-5.0 mEq/L), but potassium levels are not the primary concern when assessing the effectiveness of a phosphate binder for end-stage renal disease.
Choice B rationale:
This choice is the correct answer. Total calcium levels around 9.7 mg/dL (normal range approximately 8.5-10.2 mg/dL) are important indicators of the effectiveness of a phosphate binder. These levels reflect the balance between calcium and phosphate in the body, which is crucial for bone health and various physiological functions.
Choice C rationale:
Sodium at 136 mEq/L (normal range approximately 135-145 mEq/L) is within the normal range but is not a direct indicator of the effectiveness of a phosphate binder for end-stage renal disease.
Choice D rationale:
Hemoglobin at 15 g/dL (normal range varies by gender and age but is roughly 12-16 g/dL for adult females and 14-18 g/dL for adult males) is not related to the effectiveness of a phosphate binder. Hemoglobin levels reflect the oxygen-carrying capacity of the blood and are more relevant in assessing anemia or other blood-related conditions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
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.
Correct Answer is A
Explanation
Choice A rationale:
Allowing the toddler to feed himself is an important aspect of promoting autonomy and developing fine motor skills. It encourages self-sufficiency and exploration of different food textures. However, close supervision is necessary to ensure the toddler's safety during feeding.
Choice B rationale:
Avoiding snacks between meals is not the most appropriate instruction for a toddler's nutritional needs. Toddlers have smaller stomach capacities and higher energy requirements due to their rapid growth. Healthy snacks can help meet their nutritional needs and prevent excessive hunger between meals.
Choice C rationale:
Providing different food for the toddler than the parents is not recommended. Ideally, toddlers should be exposed to the same nutritious foods that the family consumes. This practice helps establish healthy eating habits and exposes the toddler to a variety of foods.
Choice D rationale:
Setting meal times immediately after physical activity is not necessarily beneficial. While regular physical activity is important for toddlers, scheduling meals immediately after activity might lead to poor appetite or discomfort. It's generally better to ensure the toddler is well-rested and hungry before meals.
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