CH. 23 Questions – Flashcards
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The initial reproductive structures of the male and female embryos appear the same until which week of gestation?
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Eighth
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The absence of which major hormone is a determinant of sexual differentiation in utero?
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Testosterone
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Which gland produces the associated hormones that are found in levels in a female fetus?
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Anterior pituitaryfollicle-stimulating hormone (FSH) and luteinizing hormone (LH)
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Which change is a result of puberty and defends the vagina from infection?
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Vaginal pH becomes more acidic
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What happens to the vagina's lining at puberty?
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It becomes thicker
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Which structure is lined with columnar epithelial cells?
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Endocervical canal
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Where is the usual site of fertilization of an ovum?
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Ampulla of the fallopian tubes
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Where is the usual site of cervical dysplasia or cancer in situ?
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Columnar epithelium of the cervix meets the squamous epithelium of the vagina
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The mucosal secretions of the cervix secrete which immunoglobulin?
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IgA
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A surge of which hormone causes the corus luteum to produce progesterone?
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Luteinzing hormone
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What directly causes ovulation during the menstrual cycle?
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Sudden increase of LH
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Which anatomic structure secretes follicle stimulating hormone (FSH) and luteinizing hormone (LH)?
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Anterior pituitary
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When do penile erections begin?
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Before birth
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Which statement is true regarding the major difference between male and female sex hormone production?
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in a man, sex hormone production is relatively constant
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Where is the male body does spermatogenesis occur?
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Seminiferous tubules
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Which immunoglobulin is contained in breast milk?
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IgA
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Which hormone promotes the development of the lobular ducts in the breasts?
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Estrogen
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What causes the vasomotor flushes (hot flashes) that are associated with declining ovarian function with age?
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Rapid changes in estrogen levels
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Which hormone promotes the development of testosterone in both males and females?
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Prolactin
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Which hormone stimulates gonads to produce both male and female hormones?
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Luteinizing hormone (LH)
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Which hormone relaxes the myometrium and prevents lactation until the fetus is born?
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Progesterone
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Estrogen has many biological effects on the female body including:
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Maturation of reproductive organs, differentiating female physical characteristics, regulation of the menstrual cycle, endometrial regeneration after menstruation
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Which statements about the HPV and vaccine are true?
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Currently, two HPV vaccines have been approved for use in the US HPV is believed to be responsible for the majority of the diagnosed cases of cervical cancer A form of the vaccine has been approved for use in males to prevent genital warts the recommended age for vaccination of girls is between 11 and 12 years of age
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Testosterone is believed to have a role in
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Male-patterned baldness, libido levels, acne development, altered cholesterol metabolism
