What is the main role of iodine in the body?

Aparticipates in adrenaline composition
Bparticipates in thyroid hormone composition
Cparticipates in TSH composition
Dparticipates in glucocorticoid composition

Correct answer: B. participates in thyroid hormone composition

Iodine is essential for the synthesis of thyroid hormones, which regulate metabolism and growth.

More Endocrine system and hormones MCQs