KROK 1 Stomatology 2012 – Question 121 · KROK (Dentistry)
A 45-year-old woman has been diagnosed with endemic goiter. What mechanism has caused hyperplasia of thyroid gland in this patient?
- A. Increased thyroxine production
- B. Increased hydration of derma and hypodermic cellulose
- C. Increased iodine absorption
- D. Increased catecholamine production
- E. Increased thyrotropin production
Hint
Follow the negative feedback loop: what does the pituitary do when iodine deficiency lowers thyroid hormone levels?
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