A nurse reviews a client's laboratory report and notes that the client's serum phosphorus (phosphate) level is 1.8 mg/dL. Which condition most likely caused this serum phosphorus level?
Hypercholesterolemia
Malnutrition
Renal insufficiency
Hypoparathyroidism
The Correct Answer is B
A. Hypercholesterolemia: This condition primarily affects cholesterol levels and is not directly associated with phosphorus imbalances. It does not typically cause hypophosphatemia.
B. Malnutrition: This is the correct choice. Malnutrition can lead to hypophosphatemia (low serum phosphorus levels) due to inadequate dietary intake of phosphorus and impaired absorption.
C. Renal insufficiency: Renal insufficiency generally causes hyperphosphatemia (high serum phosphorus levels) due to the kidneys' reduced ability to excrete phosphate, not hypophosphatemia.
D. Hypoparathyroidism: This condition is more commonly associated with hypocalcemia (low calcium levels) rather than hypophosphatemia. In some cases, hypoparathyroidism can cause elevated phosphorus levels, but not typically hypophosphatemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B"]
Explanation
B. Temperature 38.6°C (101.4°F): An elevated temperature in the postoperative period may indicate an infection, which requires immediate evaluation and management.
A. Heart rate 72 beats/min: This is within the normal range and does not indicate an urgent issue.
C. Surgical dressing dry and intact: This is a positive finding and does not require immediate attention.
D. Pain rating 3 out of 10: This level of pain is manageable and does not indicate a severe issue.
E. Limited ambulation: Limited ambulation is expected post-surgery and does not necessarily indicate an urgent problem.
Correct Answer is B
Explanation
A. Fluid restriction: Fluid restriction is not indicated for high serum magnesium levels. It is generally used for conditions like heart failure or renal impairment, but not specifically for managing hypermagnesemia.
B. Furosemide (Lasix): This is the correct choice because furosemide is a diuretic that can help promote the excretion of excess magnesium through the urine. It is an appropriate treatment for hypermagnesemia, which is indicated by the elevated serum magnesium level.
C. Calcium carbonate (Tums): This option is incorrect as calcium carbonate is typically used to treat hypomagnesemia (low magnesium levels) or to bind excess phosphate, not to manage elevated magnesium levels.
D. Magnesium oxide (MagOx): This is not suitable because magnesium oxide would increase the magnesium level further, not decrease it. It is used to supplement magnesium in cases of deficiency, not to treat hypermagnesemia.
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