Which of the following is associated with postpartum necrosis of the pituitary（    ）

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• 1Secondary amenorrhea is defined as（    ）

  A.absence of menstruation for 12 months

  B.absence of menstruation for 6 normal menstrual cycles

  C.absence of menstruation for 3 normal menstrual cycles or 6 months

  D.absence of menstruation for 6 normal menstrual cycles or 9 months

  E.absence of menstruation for 9 normal menstrual cycles or 2 months

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• 2Primary amenorrhea is defined as（    ）

  A.the absence of menses by 16 years of age in the presence of normal secondary sexual characteristics， or by 14 years of age when there is no visible secondary sexual characteristic development

  B.the absence of menses by 14 years of age in the presence of normal secondary sexual chararcteristics， or by 12 years of age when there is no visible secondary sexual characteristic development

  C.the absence of menses by 14 years of age in the presence of normal secondary sexual chararcteristics

  D.by 14 years of age when there is no visible secondary sexual characteristic de¬velopment

  E.the absence of menses by 16 years of age in the presence of normal secondary sexual chararcteristics， or by 12 years of age when there is no visible secondary sexual characteristic development

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• 3Abnormal uterine bleeding (AUB) during the perimenopausae years is mainly caused by（    ）

  A.a failure of the hypothalamic-pituitary system to respond to the positive feed¬back effect of estrogen

  B.the declining functional capacity of the ovary

  C.systemic diseases

  D.uterine neoplasms

  E.ovarian neoplasms

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• 4溴隐亭治疗高催乳素血症的机制是（    ）

  A.抑制多巴胺的分泌

  B.促进多巴胺时分泌

  C.抑制TRH的分泌

  D.促进TRH的分泌

  E.激活多巴胺受体

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• 5可以抑制PRL分泌的是（    ）

  A.多巴胺

  B.GnRH

  C.GHRH

  D.TRH

  E.CRH

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• 6Acanthosis nigricans is considered a marker for（    ）

  A.hyperandrogenism

  B.anovulation

  C.insulin resistance

  D.obesity

  E.Cushing’s syndrome

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• 7In chronic anovulatory patients with PCOS， persistently elevated estrogen levels， uninterrupted by progesterone， increase the risk of（    ）

  A.ovarianneoplasms

  B.endometrial carcinoma

  C.insulin resistance

  D.obesity

  E.diabetes

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• 8女性，18岁，无性生活，月经周期2～3个月。近10天有较多阴道流血。BBT呈单相。超声检查:子宫正常大小，内膜12mm；左卵巢25mm×30mm×20mm,右卵巢32mm×26mm×19mm。Hb 85g/L。诊断可能为（    ）

  A.黄体功能不足

  B.子宫内膜不规则脱落

  C.无排卵型功血

  D.多囊卵巢综合征

  E.卵巢功能不全

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• 9女性，28岁，有性生活，月经周期2～3个月。近10天一直有少量阴道流血。妇科检查:子宫正常大小，双附件区无压痛。为明确诊断，需要尽快采用的辅助检查是（    ）

  A.激素测定

  B.超声检查

  C.妊娠试验

  D.激素测定+超声检查

  E.妊娠试验+超声检查

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• 10女性，17岁，无性生活，平时月经不规则。阴道流血15天后开始出血量明显增加。妇科检查:子宫正常大小，双附件区无压痛。血红蛋白检查:Hb 85g/L。最合适的治疗是（    ）

  A.黄体酮针，20mg/次，每天肌肉注射1次

  B.醋酸甲羟孕酮,10mg/次，每天口服1次

  C.丙酸睾酮，25mg/次，每天肌肉注射1次

  D.复方口服避孕药，1片/次，每8小时1次

  E.结合雌激素，0.625mg/次，每天口服1次

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