27.5 Pregnancy and CHildbirth Flashcards
The initial stimulus for labor comes from the:
maternal ovaries.
fetus.
maternal uterus.
maternal hypothalamus.
The initial stimulus for labor comes from the:
maternal ovaries.
fetus.
maternal uterus.
maternal hypothalamus.
Parturition is also known as:
dilation
placentation
labor
childbirth
Parturition is also known as:
dilation
placentation
labor
childbirth
A pregnant woman typically needs about 300 extra calories each day to support both herself and the fetus.
True
False
A pregnant woman typically needs about 300 extra calories each day to support both herself and the fetus.
True
False
Which fetal hormone initiates labor?
progesterone
cortisol
estrogen
prolactin
Which fetal hormone initiates labor?
progesterone
cortisol
estrogen
prolactin
What major event occurs during the first stage of labor?
the newborn is delivered
the placenta is delivered
the fetal head crowns
the cervix thins and dilates
What major event occurs during the first stage of labor?
the newborn is delivered
the placenta is delivered
the fetal head crowns
the cervix thins and dilates
A positive feedback mechanism initiates the rhythmic contractions of labor. Determine the hormones involved in this feedback loop.
cortisol and aldosterone
estrogens and progesterone
prostaglandins and oxytocin
relaxin and human chorionic gonadotropin (hCG)
A positive feedback mechanism initiates the rhythmic contractions of labor. Determine the hormones involved in this feedback loop.
cortisol and aldosterone
estrogens and progesterone
prostaglandins and oxytocin
relaxin and human chorionic gonadotropin (hCG)
The stages of labor include:
the dilation, expulsion, and placental stages.
Physiological changes in the mother during pregnancy include:
Physiological changes in the mother during pregnancy include:
- an increase in blood volume and cardiac output,
- weight gain,
- and an increase in the glomerular filtration rate
