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1. Which of the following statements about the thyroid gland is true?
 
 
 
 

Question 1 of 6

2. The secretion of thyroid hormones is controlled by ________.
 
 
 
 

Question 2 of 6

3. The development of a goiter indicates that ________.
 
 
 
 

Question 3 of 6

4. Iodide ions cross from the bloodstream into follicle cells via ________.
 
 
 
 

Question 4 of 6

5. Critical Thinking: Explain why maternal iodine deficiency might lead to neurological impairment in the fetus.

Question 5 of 6

6. Critical Thinking: Define hyperthyroidism and explain why one of its symptoms is weight loss.

Question 6 of 6