Electrolyte Balance · Physiology

Parathyroid hormone increases renal calcium reabsorption by:

  1. Increasing proximal tubular calcium transport
  2. Reducing filtration of plasma calcium
  3. Enhancing distal tubular transport
  4. Increasing urinary excretion of calcium
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Correct answer: Enhancing distal tubular transport

Parathyroid hormone increases calcium reabsorption in the distal tubule. This helps maintain normal plasma calcium levels.

Difficulty: Medium Question 11 of 20

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