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NYSTCE Health Education Exam Prep

Category - Personal Health and Fitness

Magnesium excess may cause hypocalcemia by:

  1. Modulating PTH release
  2. Aiding Ca uptake in the intestine
  3. Using a cofactor in an enzyme needed to cleave Ca into elemental form
  4. None of the above
Answer and Explanation

Your answer: -
Answer: A - Magnesium excess may cause hypocalcemia by inhibiting the release of PTH, thus calcium will not be salvaged from the kidney, taken up from the intestine, or released from the bone.