Positive feedback mechanisms continually move the controlled variable in the direction
of the initial change making them dangerous and not beneficial to humans.

Question

Positive feedback mechanisms continually move the controlled variable in the direction
 of the initial change making them dangerous and not beneficial to humans.

Quizplus · Accepted Answer

Positive feedback mechanisms can be beneficial in certain physiological processes such as childbirth and blood clotting, where a definitive outcome is required, and the process needs to be accelerated to completion.

Positive Feedback Mechanisms Continually Move the Controlled Variable in the Direction