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15 Cards in this Set
- Front
- Back
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Onset of menopause is associated with a rise in which hormone levels?
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LH and FSH
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4 hormones that reach maximal levels LATE in gestation
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progesterone
estrogens hCS prolactin |
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When do plasma levels of estradiol reach a (non-pregnancy) maximum?
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1-4 days prior to ovulation
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After the first trimester of pregnancy, the major source of progesterone is the _____
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placenta
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The clinical periurethral zone of the prostate is embedded within the...
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mucosal gland layer
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In the male, FSH:
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stimulates the production of estradiol in Sertoli cells
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Is the penile urethra lined along its ENTIRE length by transitional epithelium?
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NO
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Is the penile urethra surrounded by erectile tissue?
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YES
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Where are male and female pronuclei formed?
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oviduct
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hCG is synthesized and secreted by the:
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syncytiotrophoblast of the blastocyst
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precursor to androstenedione in theca interna cells
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progesterone
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When are functional alveoli found in the mammary gland?
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during pregnancy and lactation ONLY
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In the male, LH does what?
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stimulates the synthesis of testosterone
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The dominant follicle causes regression of mature cohort ("sister") follicles by:
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downregulating FSH receptors on non-dominant secondary follicles
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what hormonal signal is responsible for the initiation of menses?
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decrease in progesterone produced by corpus luteum
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