Goiter is a disease characterized by an enlarged thyroid gland and results from (check all that apply)
A. excessive thyroid-stimulating hormone production
B. iodine deficiency in the diet
C. reduced levels of T4 in the blood
D. reduced levels of T3 in the blood
E. excessive parathyroid hormone production
Answer:
A. excessive thyroid-stimulating hormone production
B. iodine deficiency in the diet
C. reduced levels of T4 in the blood
D. reduced levels of T3 in the blood
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