试题与答案

二十八初孕妇,孕33周,自觉乏力、食欲差,伴恶心、呕吐2周,小便深黄色,皮肤瘙痒5日

题型:单项选择题 A3/A4型题

题目:

二十八初孕妇,孕33周,自觉乏力、食欲差,伴恶心、呕吐2周,小便深黄色,皮肤瘙痒5日。查体:体温37.5℃,血压130/90mmHg,神志清,皮肤巩膜黄染,躯干及四肢皮肤可见散在出血点,肝肋下未触及,胎头入盆,胎心140次/分。

若ALT542U/L,总胆红素85.5μmol/L,结合胆红素46μmol/L,尿胆红素(+),HBsAg(+),本例最可能的诊断是()

A.妊娠高血压疾病引起的肝损害

B.妊娠剧吐

C.妊娠急性脂肪肝

D.妊娠合并病毒性肝炎

E.妊娠肝内胆汁淤积症

答案:

参考答案:D

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题型:选择题

2012年2月,新修订的《环境空气质量标准》增加了PM2.5监测指标.PM2.5是指大气中直径小于或等于2.5um(lum=10﹣6m)的颗粒物.它的主要来源是日常发电、工业生产、汽车尾气排放等过程中经过燃烧而排放的残留物,对空气质量和能见度等有重要的影响.下列对PM2.5的认识中正确的是(  )

A. PM2.5的颗粒大小与空气分子相近

B. PM2.5颗粒会影响太阳光在空气中的传播

C. PM2.5颗粒在空气中不受重力作用

D.减少尾气排放不能有效减少PM2.5对空气的污染

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