Multiple choice

Hypercalcemia is caused by all, except

  1. loop diuretics

  2. lithium

  3. vitamin D intoxication

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Loop diuretics like furosemide actually DECREASE serum calcium by increasing urinary calcium excretion, so they do NOT cause hypercalcemia. Lithium causes hypercalcemia by increasing parathyroid hormone secretion. Vitamin D intoxication directly increases calcium absorption and bone resorption.

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