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35 Cards in this Set
- Front
- Back
The primary sex organ in the female is
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Ovary
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" a mass of cells arranged with an egg in the middle, surrounded by flattened epithelial cells" is a ?
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Ovarian Follicle
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How many ovarian follicles are present at birth?
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400,000
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How many follicles will ovulate during a woman's reproductive life?
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500 or so (13 a year until menopause. Do the math!)
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True False A woman continues to make eggs throughout her reproductive life
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False A woman makes no more eggs after birth.
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On what day of the menstrual cycle does ovulation occur?
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Day 14
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What hormone triggers ovulation?
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LH
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What do we call the hormone increase that triggers ovulation?
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LH surge
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What hormone dominates the pre-ovulatory part of the ovarian cycle?
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Estrogen
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What do we call the first 14 days of the ovarian cycle?
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Follicular phase
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What do we call days 15-28 of the ovarian cycle?
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Luteal phase
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When does fertilization occur?
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Day 14
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What happens to the follicle after ovulation?
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It becomes a CORPUS LUTEUM
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What is the dominant hormone in the Luteal phase of the ovarian cycle?
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Progesterone
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Where does fertilization occur?
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In the Fallopian Tube
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Where does implantation occur?
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In the Uterus
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What do we call the first 14 days of the uterine cycle?
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Proliferative Phase
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What do we call the last 14 days of the uterine cycle?
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Secretory Phase
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When does implantation occur?
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Day 21
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What percent of fertilized eggs survive to a live birth?
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40% or LESS
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What hormones keep the Corpus Luteum alive during early pregnancy?
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HCG (Human Chorionic Gonadotropin)
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When do we start counting the weeks of pregnancy?
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Day ONE of the last menstrual period.
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How many weeks is the normal pregnancy?
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40 weeks
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What is a premature birth?
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Less than 37 completed weeks of gestation
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What is the role of Estrogen in lactation?
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Growth and branching of DUCTS
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What is the role of Progesterone in lactation?
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Growth of GLANDS
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What is the role of Oxytocin in lactation? |
Stimulates milk "let down" (milk is pushed into the ducts and made available to the baby.) |
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What is the role of Prolactin in lactation?
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Stimulates milk production
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Why doesn't lactation occur in pregnancy?
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Progesterone blocks milk production
Placental hormone (Human Placental Lactogen) blocks Prolactin effect |
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T/F In female sterilization, the tubes are tied
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FALSE! A section of tube is removed or burned.
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How many days of the cycle can an egg be fertilized? |
ONE. If the egg is not fertilized on the day of ovulation, it disintegrates and is reabsorbed. Since sperm can survive for days, this does not mean a woman is only capable of getting pregnant with intercourse one day a cycle!
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What hormonal change triggers menstruation? |
Progesterone withdrawal |
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Day ONE of the menstrual cycle is counted as |
The first day of bleeding |
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What do we call the first 14 days of the ovarian cycle? |
Follicular phase |
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What do we call days 15-28 of the ovarian cycle |
Luteal phase |