What Hormone Decreases Plasma Calcium Levels

question 14

Multiple Choice

What hormone decreases plasma calcium levels?

• A) calcitonin only
• B) 1,25 -dihydroxy vitamin D_{3 only}
• C) parathyroid hormone only
• D) both calcitonin and 1,25 -dihydroxy vitamin D₃
• E) both calcitonin and parathyroid hormone

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