下列有关使用糖皮质激素治疗SARS的适应证，错误的是（）。 A.目_爱下问搜题

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问题单项选择题

下列有关使用糖皮质激素治疗SARS的适应证，错误的是（）。

A.目的在于抑制异常的免疫病理反应，减轻肺的渗出及损伤

B.中毒症状重，持续发热，经对症治疗3天以上，体温仍超过38℃

C.X线胸片示大片阴影并在48小时之内病灶面积增大超过50%且在正位胸片上病灶面积占双肺总面积的1／4以上

D.达到急性肺损伤的诊断标准

E.出现ARDS

答案

参考答案：B

解析：糖皮质激素可缓解SARS患者中毒症状，减轻肺渗出及肺纤维化。但应用时一定要注意指征，剂量不宜过大，疗程不宜过长。应用指征：①有严重的中毒症状，持续高热不退，经对症治疗3天以上最高体温仍超过39℃；②X线胸片显示多发或大片阴影，进展迅速，48小时之内病灶面积增大>50%且在正位胸片上占双肺总面积的1／4以上；③达到急性肺损伤或ARDS的诊断标准。故选项B的说法是错误的。

完形填空

Mickey was a cheerful boy. He didn’t 36 whatever people said to him. He never 37
anyone. Even our teachers liked his 38 . I always wondered why he never got 39 . I found the secret in his bedroom．，
When I first came to Mickey’s house, I was 40 to the wall of his bedroom．The huge wall was a unique collage (拼贴画) of thousands of 41 and shapes! “Some people at school think I never think 42 of anyone.”Mickey started to 43 to me, “and that nothing at all bothers me, but that’s not 44 . I used to get angry easily. But years ago, 45 the help of my parents．I started a small collage．I could 46 any kind of material and color for it．On every little piece I stuck I 47 some bad thoughts.”
I looked 48 atthe wall. In each one of the small pieces I could read，in tiny 49 , “fool”, “idiot”, “pain”,“ 50 ”, and a thousand other negative thing.
“Now I like the collage so much that, each time someone makes me angry, I couldn’t be 51 . They’ve given me a new piece for my work of art.”
I never 52 how an ordinary classmate had shown me the secret of changing the 53 times into a chance to smile．On that very day, I began my own 54 . I recommended it to my friends and we all became more 55 ．

单项选择题

85％深度烧伤伤员的创面焦痂处理方法，选择（）

A.保痂下，有计划的分期切痂植皮

B.中草药保痂蚕食脱痂植皮

C.一次切痂植皮

D.自然脱痂植皮

E.保痂