A good example of a positive feedback mechanism would be ________.

Question

Quizplus · Accepted Answer

Enhancement of labor contractions is a good example of a positive feedback mechanism because the stretching of the cervix triggers the release of the hormone oxytocin, which causes stronger and more frequent contractions. This, in turn, further stretches the cervix and releases more oxytocin, leading to a self-amplifying cycle of contractions until the baby is born. Both A and B are examples of negative feedback mechanisms, while D is regulated by various hormones and does not involve a self-amplifying cycle.

A Good Example of a Positive Feedback Mechanism Would Be