week 6 pre lecture quiz

Question 1

At what point would a pregnant person no longer ‘need’ their corpus luteum?

Answer 1

Roughly 8 weeks after Day1 of LMP.

Question 2

human placental lactogen (hPL)

Answer 2

-is produced by the placenta
-rises in female’s blood in late pregnancy
-causes an increase in maternal blood sugar

Question 3

Corticotropin-releasing hormone (CRH):

Answer 3

-leads to release of DHEA-S from fetal adrenal glands via it’s actions on the fetal pituitary.
-leads to release of ACTH by the fetal pituitary.
-is produced by the placenta in humans.
via the pituitary and adrenal glands, leads to increased levels of circulating estrogens.

Question 4

Later in pregnancy, estrogen:

Answer 4

-increase gap junctions between myometrial smooth muscle.
-induce expression of oxytocin receptors.
-has its ratio to progesterone (E:P) increase, relatively speaking.
-stimulate synthesis of prostaglandins.