Which One of the Following Statements Concerning Hormonal Regulation Via

question 13

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.

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Definitions:

Abrasion

A wound caused by superficial damage to the skin, usually because of friction.

Puncture

A small hole made by a sharp object.

Hyperglycemia

High blood sugar.

Intense Thirst

A strong and persistent desire to drink fluids, often a symptom of dehydration or uncontrolled diabetes.