Which of the following correctly describes the feedback system involving tropic hormones?

The correct choice highlights the nature of negative feedback in hormonal control systems, particularly those involving tropic hormones. Tropic hormones are produced by one gland and stimulate another gland to produce its own hormones. The feedback loop primarily functions to maintain homeostasis within the endocrine system.

In this system, when hormone levels in the blood rise above a certain threshold, negative feedback mechanisms are activated to reduce the production of the initial tropic hormone. This process ensures that hormone levels remain balanced and stable, preventing excess or deficiency that could disrupt physiological functions. For example, if the level of a particular hormone rises too high, signals are sent back to the gland producing the tropic hormone to decrease its secretion.

This feedback system is crucial for maintaining equilibrium in various physiological processes, such as metabolism, growth, and stress responses, ensuring the body can respond appropriately to internal and external changes.