Which One of the Following Statements Concerning Hormonal Regulation Via

Multiple Choice

Which one of the following statements concerning hormonal regulation via the feedback loop is correct?

A) The feedback loop is composed of two endocrine organs,the hypothalamus and the pituitary gland.
B) Negative feedback occurs when a structure secretes a hormone in response to a stimulating hormone released from the pituitary.The initial hormone then induces more hormones to be released from the pituitary gland.
C) When a stimulating hormone induces production of a hormone,elevated levels of that hormone shut off further release of the stimulating hormone.This is referred to as negative feedback.
D) In the case of a pituitary adenoma that increases TSH levels,for example,thereby increasing thyroid release of T₄ and T₃,the increased thyroid hormones can easily shut off the release of TSH.