Which of the following is a correct defi nition of “positive feedback”? A. The process by which the body maintains homeostasis. B. A mechanism in which the body’s response to a stimulus, opposes the stimulus. C. A mechanism whereby the body responds to a stimulus by acting to enhance the stimulus. D. The dynamic equilibrium maintained by an integrating centre which causes an effector to respond to the stimulus received by the receptor.
Option C . A mechanism whereby the body responds to a stimulus by acting to enhance the stimulus is known as positive feedback.
