When the hypothalamus senses a need for thyroid hormone, where does it secrete the releasing factor thyrotropin-releasing hormone (TRH)?
A) Directly into the posterior pituitary
B) Directly into the bloodstream
C) Directly into the anterior pituitary
D) Directly into the thyroid gland
C
Feedback:
When the hypothalamus senses a need for a particular hormone, it secretes TRH directly into the anterior pituitary. Other options, therefore, are incorrect.
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