Which Statement Is NOT True About the Thyroid Gland

Which statement is NOT true about the thyroid gland?

A) Thyroid volumes increase with age and body weight, as well as in patients with acute hepatitis and those living in regions deficient in iodine.
B) It is an endocrine gland that secretes triiodothyronine (T3) , thyroxine (T4) , and calcitonin.
C) It is an exocrine gland that secretes triiodothyronine (T3) , thyroxine (T4) , and iron.
D) The normal mean thyroid volume is 18.6 ± 4.5 ml (± SD) , which converts to a 18.6-g gland.

Correct Answer:

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