Oxytocin
A)is produced and secreted by cells in the supraoptic nucleus of the hypothalamus.
B)is produced only in females.
C)secretion is regulated by a negative feedback loop.
D)stimulates ejection of milk from the breasts.
E)All of the choices are correct.

Question

Quizplus · Accepted Answer

Oxytocin stimulates the ejection of milk from the breasts during breastfeeding. It is produced in the hypothalamus and secreted by the posterior pituitary gland, not only in females, and its secretion is regulated by a positive feedback loop, not a negative one.