Question
Goitre can occur as a consequence of all the following except
iodine deficiency
pituitary adenoma
Grave's disease
excessive intake of exogenous thyroxin
Solution
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.
