Which Statement About the Thyroid Gland Is True

question 236

Multiple Choice

Which statement about the thyroid gland is true?

• A) A goiter can only form under conditions of excess production of thyroxine.
• B) In hyperthyroidism, an antibody binds to receptors for thyroid-stimulating hormone (TSH), causing uncontrolled release of thyroxine.
• C) A goiter can only result from thyroxine deficiency.
• D) A low metabolic rate is a symptom of hyperthyroidism.
• E) In hyperthyroidism, blood levels of triiodothyronine are low.

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