Science Quiz / Female Reproductive Physiology

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QuestionAnswer
what is the basic unit of female reproductive physiology?
True or False: Progestins acts as negative feedback regulators at the hypothalamus and pituitary.
How long does folliculogenesis last?
Days 14-28 of the endometrial cycle is known as the _____ phase
True or False: During the follicular phase, the granulosa cells are the main producers of progesterone because they are the closest to blood supply.
rapid decline in LH and FSH after ovulation is due to the exhaustion of what gland?
phase of the ovarian cycle that occurs between days 0 and 14 of the menstrual cycle
This cell catalyzes the conversion of cholesterol to progestins in the female
True or False: Theca cells contain 17a hydroxylase and 17,20 desmolase.
thecal cells begin forming in _____ follicles
True/ False: Estradiol synthesized by the dominant follicle drives down production of FSH starving all other non-dominant follicles causing them to die.
Which cell within the ovarian follicle synthesizes aromatase?
LH acts with which cell of the female follicle?
True or False: Most follicles undergo atresia or apoptosis.
During the _____ phase of the ovarian cycle, large antral follicles are recruited and undergo growth to compete for ovulation.
Which cell type in the ovarian follicle is the main producer of progesterone in the follicular phase?
What enzyme are thecal cells missing that prevents them from converting androgens into estrogen?
synthesis and secretion of ZP proteins for the formation of the zona pellicida begins in _____ follicles
endometrium proliferates under the influence of estrogen during this phase of the endometrial cycle
When do oocytes finish their meiotic division?
During what portion of the menstrual cycle does the oocyte progress to metaphase II?
characterized by a cubodial granulosa cell layer
Which hormone acts on the granulosa cells of the follicle?
This hormone stimulates theca cells and granulosa cells to take up LDL cholesterol and its conversion to progestins
True or False: Theca and granulosa cells contain LH receptors but only the granulosa cells contain FSH receptors
In which phase of meiosis is a follicle arrested until ovulation?
True or False: Every menstrual cycle tertiary follicles are recruited to compete for ovulation.
QuestionAnswer
maturation of the endometrium occurs during this phase of the endometrial cycle
Dependency on FSH for follicular growth begins at what stage in folliculogenesis? (follicle type)
Days 0 -4 of the endometrial cycle is known as the _____ phase
True or False: The granulosa cells make androgen precursors.
phase of the ovarian cycle that occurs between days 14 and 28 of the menstrual cycle
After ovulation, what phase of meiosis is the oocyte arrested in?
occurs about 32 to 36 hours after LH surge
Withdrawal of what hormone leads to the vasoconstriction that leads to stimuli and vascular cell necrosis of the endometrium
characterized by a squamous granulosa cell layer
The granulosa cells lack which 2 enzymes?
True or False: Estrogen is critical to closure of epiphyseal plates of both sexes
The process of follicle maturation
True or False: AN increase in pulse frequency and amplitude of GnRH promotes LH release?
A rise in the levels of _____ begins the cyclic recruitment phase of follicuolgenesis.
these cells make androgen in the female
rapid rise in what hormone released by the dominant follicle induces the LH surge?
Which hormone promotes the maturation of the endometrium?
Days 4-14 of the endometrial cycle is known as the _____ phase
primordial follicles undergo initial recruitment to become _____ follicles
Which cell type in the female produces inhibin?
How many primordial follicles at puberty?
Which hormone promotes the growth of the endometrium?
True or False: Granulosa cells contain 17a hydroxylase and 17,20 desmolase.
How many oocytes are contained in 1 follicle?
Hormone responsible for libido in males and females
The _____ follicle is the one that undergoes ovulation during a menstrual cycle.
During the ____ phase, granulosa cells are the main producer of progesterone.

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