Question

A person is having problem with calcium and phosphate metabolism in his body leading to thinning of bones.Which of the following should not be administered to treat his condition?

• A. Calcitonin
• B. Calcitriol
• C. Parathormone
• D. Vitamin -$D_3$

Answer 1

The correct option is A Calcitonin

• Calcitonin - It is a hormone secreted by the thyroid gland of the humans, their main function is the opposite of parathyroid hormone i.e.; they reduce the blood calcium level and excrete excess calcium through urine, thus leads to the thinning and weakening of the bones.
• Calcitrol - They are artificially synthesized vitamin - D${}_3$ and acts in combination with parathyroid hormone. They help in the development of bones and are effective in preventing bone diseases.
• Parathyroid - It is also called as parathormone and is secreted by the parathyroid gland. They help in the strengthening and development of bones and are the substitutes at the time of vitamin deficiency.
• Vitamin - D${}_3$ are the essential nutrients required for the proper functioning of the body, their main role is to prevent any kind of deficiency in the bones hence making them stronger.

So, the correct option is 'Calcitonin'.