Question

The blood calcium level is lowered by the deficiency of ?a)both calcitonin and parathormone b) calcitonin c) paratharmone d) thyroxine ​

Answer 1

Answer is C

Hope it helps!

Answer 2

The “blood calcium level” is lowered by the deficiency of Parathormone.  

Explanation:

Parathyroid hormone or parathormone us responsible to increase the “blood calcium level” when it is too low. The low calcium level in the blood stimulates the production of the parathormone from the thyroid gland and the high calcium level of the blood reduces the secretion of the parathormone from the thyroid gland.

Parathormone also responsible to reduce the loss of the calcium through the urine. This hormone is also responsible for the production of the vitamin D in the kidney.