According to the leading proposal, parturition is initiated by
A)parasympathetic stimulation
B)an increase in uterine responsiveness to oxytocin as a result of an increased concentration of myometrial oxytocin receptors
C)a drop in oxytocin secretion
D)a negative-feedback loop established between progesterone and oxytocin
E)a rise in estrogen secretion

Question

Quizplus · Accepted Answer

The leading proposal suggests that parturition is initiated by an increase in uterine responsiveness to oxytocin due to an increased concentration of myometrial oxytocin receptors. This results in strong contractions of the uterus, which leads to the onset of labor.

According to the Leading Proposal, Parturition Is Initiated by