Multiple choice

Which of the following statements are TRUE for calcitonin? (i) It is secreted when calcium level is high in blood. (ii) It is secreted when calcium level is low in blood. (iii) It moves calcium from blood to bones. (iv) It moves calcium from bones to blood. (v) It moves calcium from blood to urine.

  1. (i) and (v)

  2. (ii) and (iv)

  3. (i) and (iii)

  4. (iii) and (iv)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Calcitonin is secreted when calcium level is high in blood, and it moves calcium from blood into bones.

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