Question

Which of the following do not play any role in calcium balance in the human body?

(a) Vitamin-D

(b) Parathyroid hormone

(c) Thyrocalcitonin

(d) Thymosin

Answer 1

Correct option (d)

Thymosin hormone has no role in regulation of blood calcium homeostasis. It plays a major role in the differentiation of T - lymphocytes, which provides cell mediated immunity, While, vitamin - D, thyrocalcitonin and parathyroid hormone plays a vital role in maintaining calcium homeostasis by regulating blood calcium levels.