Lecture 2A P2 Flashcards
1
Q
During day 1-5 of hormonal cycle is there low or high estrogen and progesterone levels
A
Low
2
Q
What type of feedback is sent to hypothalamus during day 1-5
A
Positive feedback to raise GnRH and then FSH and LH
3
Q
Growing the follicles in day 5-13 produces
A
Estrogen
4
Q
From the growing follicles one becomes the
A
Graafian follicle
5
Q
High levels of estrogen lead to
A
Endometrial thickening
6
Q
FSH also causes maturation of dominant follicle to
A
Graafian follicle
7
Q
Threshold high level of estrogen causes _____
A
LH surge and ovulation
8
Q
________ also stimulates formation of CL from collapsed dominant folllicle
A
LH
9
Q
High levels of progesterone and estrogen activate ____ feedback to hypothalamus
A
Negative feedback