Haryana PMT Haryana PMT Solved Paper-2008

  • question_answer
    Which hormone is responsible for milk ejection after the birth of the baby ?

    A)  Oxytocin                            

    B)  Progesterone

    C)  Prolactin                            

    D)  Estrogen

    Correct Answer: A

    Solution :

    Oxytocin promotes contraction of the uterine muscle and contraction of the myoepithelial cells of the lactating breast, squeezing milk into the large ducts behind the nipple. In late pregnancy the uterus becomes very sensitive re oxytocin. Because of its role, oxytocin is called birth hormone and milk ejecting hormone.


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