Once labour begins in childbirth, contractions increase in intensity and frequency until delivery. The increasing labour contractions of childbirth are an example of which type of regulation?
A)a bioinformatic system
B)positive feedback
C)negative feedback
D)feedback inhibition
E)enzymatic catalysis

Question

Quizplus · Accepted Answer

The increasing labour contractions in childbirth are an example of positive feedback regulation, as the contractions stimulate the release of more oxytocin, which in turn stimulates more contractions. This positive feedback loop continues until delivery.

Once Labour Begins in Childbirth, Contractions Increase in Intensity and Frequency