Which of the following statements regarding endocrine regulation of breast function in females is FALSE?
A)During puberty,ductal growth is stimulated by increasing estrogen levels in plasma.
B)During puberty,progesterone stimulates the growth of breast alveoli.
C)During pregnancy,the main source of plasma prolactin is secretion from the maternal anterior pituitary gland.
D)Prolactin is the main hormone mediating the milk ejection reflex.
E)Breast development fluctuates with changing blood concentrations of estrogen and progesterone during each menstrual cycle.

Question

Quizplus · Accepted Answer

Prolactin is not the main hormone mediating the milk ejection reflex. Rather, oxytocin is responsible for this reflex. Prolactin stimulates milk production by the alveoli in the breast, but it does not directly cause the milk to be released.

Which of the Following Statements Regarding Endocrine Regulation of Breast