Ovarian And Menstrual Cycles

Question 1

Hypothalamus releases

Answer 1

GnRH

Question 2

GnRH stimulates anterior pituitary to release

Answer 2

FSH

Question 3

FSH stimulates a follicle to grow and produce

Answer 3

Estrogen

Question 4

Rising levels of estrogen cause anterior pituitary to increase production of

Answer 4

LH

Question 5

High estrogen causes LH to be released in a burst and the endometrium to thicken

Answer 5

Proliferative phase

Question 6

High LH stimulates first meiotic division of

Answer 6

Primary oocyte

Question 7

High LH triggers

Answer 7

Ovulation

Question 8

High LH causes ruptured folllicle to become

Answer 8

Corpus luteum

Question 9

Corpus luteum produces

Answer 9

Progesterone

Question 10

Progesterone inhibits the production of FHS and LH

Answer 10

by the anterior pituitary and stimulates secretory phase

Question 11

Diminished levels of FSH and LH cause

Answer 11

Corpus luteum to deteriorate and produce less progesterone

Question 12

Diminishing levels of estrogen and progesterone cause

Answer 12

Inhibition of FSG and LH to end and thickened endometrium to slough

Question 13

Increasing levels of FSH

Answer 13

Cause a new cycle to begin

Question 14

HCG

Answer 14

Hormone which maintains corpus luteum in the absence of FSH and LH for the first trimester