What iodine-containing hormone is produced by the thyroid gland to regulate cellular basal metabolic rate in humans?
Answer and explanation
Correct answer: D. Thyroxine
- Step 1: The thyroid gland in the neck uses dietary iodine to synthesize the hormone thyroxine (T4). Step 2. Thyroxine stimulates cellular respiration, oxygen consumption, and general metabolic rate throughout the body. Answer: Thyroxine. Why not the others: Insulin lowers blood glucose; adrenaline prepares for fight-or-flight; glucagon raises blood glucose.
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