25. In pregnancy, the stretch of the cervix stimulates the hypothalamus to release a hormone. As the cervix and uterus continue to be distended, more of the hormone is released.

25. In pregnancy, the stretch of the cervix stimulates the hypothalamus to release a hormone. As the cervix and uterus continue to be distended, more of the hormone is released. In addition, this causes an increased responsiveness of the uterine smooth muscle. Transcribed Image Text: By what mechanism is the smooth muscle more responsive to the hormone
and by what type of transport does the cell manage this change to oxytocin
receptors
Again: don’t get distracted by the cell type, it’s just an example applied in a
real world context.
upregulation, endocytosis
upregulation, exocytosis
down-regulation, endocytosis
O down-regulation, exocytosis