Repro Physio Review

Question 1

Beginning at puberty, ____ is secreted by the hypothalamus in a pulsatile fashion

Answer 1

GnRH

Question 2

Pulsatile release of GnRH stimulates the _______


Answer 2

Anterior pituitary

Question 3

Anterior pituitary sits in the sella turcica just superior to the _______

Answer 3

chiasm of the optic nerve

Question 4

In response to pulsatile GnRH, the anterior pituitary secretes ______

Answer 4

FSH and LH

Question 5

Ant pit —> FSH —> _____ cells divide and activate —> inc circulating estrogen levels —> secondary follicles —> one selected for ovulation

Answer 5

granulosa

Question 6

What is necessary to prompt ovulation of the oocyte from the dominant follicle

Answer 6

LH surge

Question 7

Corpus luteal cyst

Answer 7

Dominant follicle without its oocyte

Question 8

Why is the corpus luteal cyst yellow

Answer 8

Highly hormonally active, prod large amounts of progesterone from the precursor for all steroid hormones

Question 9

Corpus albicans

Answer 9

White scar-like area in ovary, forms when CL cyst involutes

Question 10

Proliferative phase

Answer 10

First Half of menstrual cycle

Uterine lining thickens

Question 11

Secretory phase

Answer 11

Second half of menstrual cycle

uterine lining matures, becomes more cystic and secretory

Question 12

effects of breast feeding on mom

Answer 12

amenorrhea
infertility
menopause

Question 13

fertilization occurs in the

Answer 13

ampulla of the fallopian tube

Question 14

Implantation is initiated by the trophoblast which develops a unique tissue called the

Answer 14

syncitiotrophoblast (large cell, many nuclei)

Question 15

syncitiotrophoblast

Answer 15

invades uterine epithelium and stroma during implantation

prod hCG

Question 16

When can hCG be detected in blood and urine

Answer 16

blood- within 2days of implantation

urine- within 3-5days

Question 17

When does the placenta take over hormonal function?

Answer 17

10 weeks, begins producing ever-increasing amounts of estrogen and progesterone until just prior to labor