The mammary glands secrete milk in response to circulating oxytocin. A suckling baby feeding on this milk stimulates additional oxytocin release. These related events are an example of ________.
A) negative feedback
B) a hormone that acts in an antagonistic way with another hormone
C) positive feedback
D) signal transduction immediately changing gene expression in its target cells

Question

Quizplus · Accepted Answer

This is an example of positive feedback because the action of the baby suckling stimulates the release of more oxytocin, which in turn promotes more milk secretion, thus amplifying the initial signal.

The Mammary Glands Secrete Milk in Response to Circulating Oxytocin