Magnesium Absorption and Homeostasis
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Questions and Answers

What is the primary organ responsible for absorbing magnesium?

  • Liver
  • Stomach
  • Lungs
  • Small intestine (correct)
  • What happens when there is renal failure in relation to magnesium levels?

  • Hypermagnesemia due to decreased excretion in urine (correct)
  • Hypermagnesemia due to increased excretion in urine
  • Hypomagnesemia due to increased excretion in urine
  • Hypomagnesemia due to decreased excretion in urine
  • What is the effect of parathyroid hormone (PTH) on plasma magnesium levels?

  • Increases plasma magnesium levels (correct)
  • Has no effect on plasma magnesium levels
  • Decreases bone mobilization of magnesium
  • Decreases plasma magnesium levels
  • How does long-term use of high-dosage magnesium supplements relate to toxicity?

    <p>Toxic levels may occur due to decreased urinary excretion</p> Signup and view all the answers

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