Which of the Following Is a Feature of Iodide Utilization

Which of the following is a feature of iodide utilization?

A) It is an integral part of pituitary thyroid-stimulating hormone.
B) Ingestion of plants of the cabbage family stimulates iodide uptake.
C) A deficiency or a toxicity leads to enlargement of the thyroid gland.
D) The amount in foods is unrelated to the amount of iodine present in the soil.
E) Use of iodized salt has resulted in significant increases in iodine toxicity.