Select the correct sequence of events involved in regulating secretion of thyroid hormones

1. pituitary releases thyroid-stimulating hormone (TSH)
2. hypothalamus secretes thyroid-releasing hormone (TRH)
3. thyroid hormones inhibit long-term TRH secretion
4. thyroid secretes thyroid hormones
5. thyroid hormones inhibit TSH secretion



a. 1, 2, 4, 5, 3
b. 2, 1, 4, 5, 3
c. 3, 1, 4, 5, 2
d. 3, 4, 1, 2, 5
e. 2, 4, 5, 1, 3


ANSWER: b

Biology & Microbiology

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