Question

The hormones that initiate ejection of milk stimulates milk production and the growth of the ovarian follicles are respectively known as
A. PRL, OT and LH
B. LH, PRL and FSH
C. OT, PRL and FSH
D. PRH, OT and LH

Answer 1

Hint: The mammary glands of the female go through differentiation at the time of pregnancy and it starts producing milk at the end of pregnancy and this process is known as lactation. This helps the mother in feeding the newborn.

Complete answer:
The milk that is produced during the initial days of lactation by the mother is known as colostrum. It is composed of various antibodies and is rich in many proteins such as globulin and it is very important in developing resistance for the newborn babies.
The hormone that is used in the stimulation of the milk is oxytocin and it is produced by the pituitary gland. As a result of the extension of the cervix and pregnancy the hormones oxytocin is produced. It stimulates the ejection of milk from the alveoli and then into the ducts. The stimulation in the production of milk is done by the hormone prolactin which is produced by the anterior pituitary gland. The growth of the ovarian follicles is maintained by the follicle-stimulating hormones and it helps to energise the growth of the immature follicles in the ovary.
Hence, the correct answer is oxytocin, FSH and PRL.

Note: Prolactin hormones is generally known as the milk stimulating hormone in almost all the female mammals. Oxytocin stimulates the muscle of the uterus to contract and it also increases the production of prostaglandins.