F8

Question 1

Why are there unequal cell divisions in oogenesis?

Answer 1

Ensures oocyte has ample nutrients for its journey to the uterus.

Question 2

Phases of the ovarian cycle:

Answer 2

Follicular phase
Ovulation
Luteal phase

Question 3

Follicular phase

Answer 3

Days 1-14;

Rising levels of FSH stimulate follicular development

Question 4

Ovulation

Answer 4

Day 14;

Rising levels of LH causes follicle to rupture, expelling oocyte

Question 5

Luteal phase

Answer 5

Days 14-28;

Ruptured follicle becomes corpus luteum

Question 6

Corpus luteum

Answer 6

Produces progesterone;

Causes endometrium to engorge with blood and nutrients in preparation for implantation.

Question 7

If implantation does not occur _______ is shed.

Answer 7

Stratum functionalis

Question 8

During what phase are hormone levels the lowest?

Answer 8

Menstrual phase;

Days 1-5

Question 9

How do estrogen and progesterone alter the viscosity of cervical mucus?

Answer 9

Thins out the normally thick, sticky cervical mucus to facilitate sperm passage.