Q.
I. Hypothyroidism may cause irregularity of menstrual
cycle.
II. Hyperthyroidism is characterised by increased
synthesis and secretion of thyroid hormones due to the
cancer of thyroid gland or due to development of
nodules of thyroid glands.
III. Grave ’ s disease is characterised by increased
matabolic rate, weight loss, enlargement of thyroid
gland and hyperthyroidism.
IV. Hypothyroidism causes goitre, while the exophthalmic
goitre is a form of hyperthyroidism.
Which of the above statements are correct?
Chemical Coordination and Integration
Solution: