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某孕妇，孕36周，产前检查如下：出口横径7．5cm,外径18cm,耻骨弓角度90°，为判断足月胎儿是否可以娩出还必须测量
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男性，18岁，因转移性右下腹痛12小时入院，诊断为“急性阑尾炎”，当晚行阑尾切除术，病理为坏疽性阑尾炎。自术后次晨起，患者表现为腹痛，烦躁不安， 未解小便。体查：面色较苍白，皮肤湿冷，心率110次/分，较弱，血压10. 67/8kPa( 80/60mmHg)，腹稍胀，全腹压痛，轻度肌紧张，肠鸣音减弱。 为明确诊断，最好选择采取何种措施
The homeless make up a growing percentage of American’s population． (62) homelessness has reaches such proportions that government can’t possibly (63) ．T0 help homeless people (64) independence, the federal government must support job training programs, (65) the minimum wage, and fund more low-cost housing． (66) everyone agrees on the numbers of American who ae homeless．Estimates range (67) from 600, 000 to 3 million． (68) the figure may vary, analysts do agree on another matter：that the number of the homeless is (69) , one of the federal governments’ studies (70) that the number of the homeless will reach nearly 19 million by the end of this decade． Finding ways to (71) this growing homeless population has become increasingly difficult． (72) when homeless individuals manage to find a (73) that will give them three meals a day and a place to sleep at night, a good number still spend the bulk of each day (74) on the street．Part of the problem is that many homeless adults are addicted to alcohol or drugs．And a significant number of the homeless have serious mental disorders．Many others, (75) not addicted or mentally ill, simply lack the everyday (76) skills need to turn their lives (77) ． Boston Globereporter Chris Reidy notes that the situation will improve only when there are (78) programs that address the many needs of the homeless． (79) Edward Blotkowsk, director of community service at Bentley College in Massachusetts, (80) it, "There has to be (81) of programs．What’s need is a package deal．\
第三产程对胎盘、胎膜的检查，下列错误的是
肝细胞水肿的病变是（）
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