The pressure of the baby’s head against the cervix stimulates the neuroendocrine release of: A. Chorionic...

The pressure of the baby’s head against the cervix stimulates the neuroendocrine release of:

A. Chorionic Gonadotropin

B. Progesterone

C. Prolactin

D. Oxytocin

E. Luteinizing Hormone

Expert Solution

Ans:-

D,

Oxytocin.

The pressure of the baby's head against the cervix stimulates the neuroendocrine release of oxytocin. It is called Ferguson reflex .

Ferguson reflex:- It is an neuroendocrine reflex in which the pressure of the baby's head against the cervix stimulates the series of neuroendocrine responses ,leading to oxytocin production/ release which stimulates uterine contractions ,which in turn increases the pressure on the cervix until the baby is delivered.

Rest of the given options are wrong because they are not released due to the pressure on the Cervix.

- chorionic gonadotropin :- It is a placental hormone, secreted by the cells (syncitiotrophoblast) that are surrounding a embryo.

- progesterone:- It is secreted by the corpus luteum to maintain the pregnancy.

- prolactin:- It is secreted by the lactotrophs in the anterior pituitary gland for the production of milk.

- lutenizing hormone:- It is secreted by the gonadotropic cells in the anterior pituitary gland for the ovulation and development of the corpus luteum.

Sydney Mullin answered 1 year ago

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