The cause of cretinism is
hypothyroidism
hypoparathyroidism
hyperthyroidism
hyperparathyroidism
Which one of the following is not a second messenger in hormone action?
Calcium
Sodium
cAMP
cGMP
Goitre can occur as a consequence of all the following except
iodine deficiency
pituitary adenoma
Grave's disease
excessive intake of exogenous thyroxin
D.
excessive intake of exogenous thyroxin
Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It is the inactive form and most of it is converted to an active form called triiodothyronine by organs such as the liver and kidneys.
The genetic deficiency of ADH-receptor leads to
diabetes mellitus
glycosuria
diabetes insipidus
nephrogenic diabetes
Which one of the following statement is incorrect?
Glucagon is secreted by pancreas
Androgen is produced by ovary
Thyroxine is secreted by thyroid
Oxytocin is secreted by pituitary