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Female Reproductive Physiology Quiz Stats

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Question Answer % Correct
True or False: AN increase in pulse frequency and amplitude of GnRH promotes LH release?True
56.5%
True or False: The granulosa cells make androgen precursors.False
52.9%
True or False: During the follicular phase, the granulosa cells are the main producers of progesterone because they are the closest to blood supply. False. Theca cells are the main producers of progesterone
52.9%
True or False: Most follicles undergo atresia or apoptosis.True
52.3%
True or False: Theca and granulosa cells contain LH receptors but only the granulosa cells contain FSH receptorsTrue
51.6%
True or False: Estrogen is critical to closure of epiphyseal plates of both sexesTrue
51.3%
True/ False: Estradiol synthesized by the dominant follicle drives down production of FSH starving all other non-dominant follicles causing them to die.True
50.6%
True or False: Every menstrual cycle tertiary follicles are recruited to compete for ovulation.False. Large antral follicles are recruited.
48.4%
Which hormone acts on the granulosa cells of the follicle?Follicle stimulating hormone
47.4%
True or False: Progestins acts as negative feedback regulators at the hypothalamus and pituitary.True
46.8%
rapid rise in what hormone released by the dominant follicle induces the LH surge?estrogen or estradiol
46.5%
Which hormone promotes the growth of the endometrium?estrogen or estradiol
45.5%
A rise in the levels of _____ begins the cyclic recruitment phase of follicuolgenesis.follicular stimulating hormone
45.5%
occurs about 32 to 36 hours after LH surgeovulation
45.5%
True or False: Theca cells contain 17a hydroxylase and 17,20 desmolase.True
44.2%
Which hormone promotes the maturation of the endometrium?progesterone
43.9%
True or False: Granulosa cells contain 17a hydroxylase and 17,20 desmolase.False
42.3%
primordial follicles undergo initial recruitment to become _____ folliclesprimary
41.3%
phase of the ovarian cycle that occurs between days 14 and 28 of the menstrual cycleluteal
41.3%
How many oocytes are contained in 1 follicle?one
40.6%
phase of the ovarian cycle that occurs between days 0 and 14 of the menstrual cyclefollicular
39.4%
Withdrawal of what hormone leads to the vasoconstriction that leads to stimuli and vascular cell necrosis of the endometriumprogesterone
39.4%
LH acts with which cell of the female follicle?theca cell
37.7%
these cells make androgen in the femaletheca cells
37.7%
During the ____ phase, granulosa cells are the main producer of progesterone.luteal
37.4%
Which cell type in the female produces inhibin?granulosa cells
37.4%
During the _____ phase of the ovarian cycle, large antral follicles are recruited and undergo growth to compete for ovulation.follicular
37.1%
Question Answer % Correct
Which cell type in the ovarian follicle is the main producer of progesterone in the follicular phase?theca cells
35.5%
Which cell within the ovarian follicle synthesizes aromatase?granulosa cells
34.2%
Days 14-28 of the endometrial cycle is known as the _____ phasesecretory
33.5%
This hormone stimulates theca cells and granulosa cells to take up LDL cholesterol and its conversion to progestinsLuteinizing hormone
32.9%
thecal cells begin forming in _____ folliclessecondary
31.6%
This cell catalyzes the conversion of cholesterol to progestins in the femaletheca cell
30.3%
Days 4-14 of the endometrial cycle is known as the _____ phaseproliferative
30%
endometrium proliferates under the influence of estrogen during this phase of the endometrial cycleproliferative
29%
What enzyme are thecal cells missing that prevents them from converting androgens into estrogen?aromatase
29%
Hormone responsible for libido in males and femalesestrogen
28.4%
synthesis and secretion of ZP proteins for the formation of the zona pellicida begins in _____ folliclessecondary
28.1%
When do oocytes finish their meiotic division?fertilization
28.1%
rapid decline in LH and FSH after ovulation is due to the exhaustion of what gland?pituitary
27.7%
maturation of the endometrium occurs during this phase of the endometrial cyclesecretory
27.1%
The _____ follicle is the one that undergoes ovulation during a menstrual cycle.dominant or graffian follicle
26.1%
After ovulation, what phase of meiosis is the oocyte arrested in?metaphase II
25.8%
In which phase of meiosis is a follicle arrested until ovulation?prophase I
23.2%
The process of follicle maturationfolliculogenesis
21.3%
During what portion of the menstrual cycle does the oocyte progress to metaphase II?LH surge during ovulation
21%
characterized by a cubodial granulosa cell layerprimary follicle
17.7%
Days 0 -4 of the endometrial cycle is known as the _____ phasemenses
17.1%
characterized by a squamous granulosa cell layerprimordial follicle
14.5%
How many primordial follicles at puberty?300000
13.9%
Dependency on FSH for follicular growth begins at what stage in folliculogenesis? (follicle type)tertiary follicle
11.9%
The granulosa cells lack which 2 enzymes?17a hydroxylase and 17 20 desmolase
8.4%
what is the basic unit of female reproductive physiology?ovarian follicle
6.5%
How long does folliculogenesis last?200 days
6.5%

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