Negative Feedback Loops to the Hypothalamus and the Pituitary Operate

question 60

Multiple Choice

Negative feedback loops to the hypothalamus and the pituitary operate to regulate the levels of ____, the most important regulator of thyroid hormone secretion.

• A) TRH
• B) thyroid hormone
• C) TSH
• D) ADH
• E) calcitonin

---

Definitions:

Melting Glaciers

The process where glaciers lose ice mass due to increased temperatures, leading to the release of water.

Sediment

Particles of rock and mineral debris that have been transported and deposited by wind, water, or ice.

Terminus

The lower end of a glacier.

Evaporation

The process by which water transforms from a liquid to a gas or vapor, often driven by heat from the sun.