Which of the following is not true of oxytocin?Group of answer choicesOxytocin is produced in the posterior pituitary gland.Oxytocin causes the contractions of the uterus during labor.Oxytocin is one of the few hormones that is regulated by a positive feedback loop.Oxytocin stimulates “milk letdown” in nursing mothers.

Oxytocin is a hormone that causes the muscles in the uterus to contract. These contractions help a pregnant woman deliver her baby. Which of the following systems are involved in this scenario?

Why is oxytocin administered to women during childbirth?Multiple ChoiceTo stimulate ACTH productionTo stimulate uterine contractionsTo inhibit uterine contractionsTo inhibit milk production

Select the CORRECT answer. OxytocinGroup of answer choicesStimulates synthesis of milk by the milk glands.Is not important for stimulating uterine contractions.Causes contraction of the smooth muscle cells of the mammary glands.Is secreted from the placenta.

A 30 Year old pregnant lady went into active stage of labour, during this stage oxytocin is released from the posterior pituitary to cause the diltation of cervix. Which one of the following feedback mechanism is responsible for further release of oxytocin and delivery of baby in this patient:Select one:a. Positive feedbackb. Negative feedbackc. Adaptived. Feed forwardClear my choice

Which of the following statements is NOT correct? Withdrawal of placental oestrogen and progesterone at birth initiates lactation Elevated placental oestrogen and progesterone during pregnancy promote the development of ducts and alveoli in the mammary glands Oxytocin stimulates contraction of myoepithelial cells surrounding alveoli within the breast Prolactin stimulates synthesis of enzymes essential for milk production Suckling stimulates the release of progesterone