A hormone that is antagonist to the parathyroid hormone is secreted from :
1. Thyroid
2. Adrenal cortex
3. Hypothalamus
4. Parathyroid itself

Identify the incorrect statement:
1. In males FSH regulates spermatogenesis
2. Thyroid gland produces T3 and thyroxine (T4) hormones
3. ACTH stimulates secretion of glucocorticoids
4. PTH is a hyperglycemic hormone

Low Ca²⁺ in the body fluid may be the cause of 

1. tetany

2. anaemia

3. angina pectoris

4. gout

The blood calcium level is lowered by the deficiency of ?

1. parathormone

2. thyroxine

3. calcitonin

4. Both 1. and 2.

Which one of the following pairs of organs includes only the endocrine glands?

1. Parathyroid and adrenal

2. Pancreas and parathyroid

3. Thymus and testes

4. Adrenal and ovary