Which one of the following is the most likely explanation

Last updated: 7/25/2022

Which one of the following is the most likely explanation for hypothyroidism in a patient whose dietary iodine consumption is normal? A) greater secretion of T3 than T4. B) Grave's disease. C) reduced iodine excretion by the kidney. D) under-secretion of thyroid-stimulating hormone. E) over-secretion of thyrotropin releasing hormone.