【单选题】
氨中毒学说：肝性脑病主要发病机制是氨干扰大脑的___
A. 血液循环
B. 电解质平衡
C. 血氧供给
D. 水盐代谢
E. 能量代谢
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相关试题
【单选题】
患者，女性，46岁，腰麻下行阑尾切除术，术后发生尿潴留，其主要原因是___
A. 手术部位疼痛
B. 尿路结石
C. 不习惯卧床排尿
D. 神经损伤
E. 麻醉反应
【单选题】
正常新生儿应在出生后多长时间内排尿___
A. 8小时
B. 10小时
C. 24小时
D. 32小时
E. 48小时
【单选题】
发生心肌梗死的主要病理基础是___
A. 心肌需血量增加
B. 冠状动脉供血不足
C. 冠状动脉严重狭窄
D. 血氧供给不足
E. 劳累
【单选题】
妊娠期贫血最常见为___
A. 妊娠期贫血
B. 缺铁性贫血
C. 低色素性贫血
D. 巨幼细胞贫血
E. 再生障碍性贫血
【单选题】
下列临床表现中，甲亢和糖尿病共有的是___
A. 多食消瘦
B. 大便次数增多
C. 幻觉和燥狂
D. 四肢麻木感
E. 收缩压增高
【单选题】
以下叙述错误的是___
A. 原发性痛经生殖器官无器质性病变
B. 痛经可能与前列腺素分泌有关
C. 痛经可持续1～2天
D. 痛经多发于无排卵型功血
E. 痛经者可用解痉药
【单选题】
继发性腹膜炎最常见的致病菌是___
A. 白色念珠菌
B. 拟杆菌
C. 溶血性链球菌
D. 大肠埃希菌
E. 铜绿假单胞菌
【单选题】
急性肾功能衰竭少尿或无尿期常见的致死原因是___
A. 高磷血症与低钙血症
B. 低钠血症
C. 低氯血症
D. 高镁血症
E. 高钾血症
【单选题】
第一产程潜伏期延长指超___
A. 4小时
B. 8小时
C. 10小时
D. 12小时
E. 16小时
【单选题】
鹅口疮的病原体为___
A. 大肠埃希菌
B. 铜绿假单胞菌
C. 肺炎双球菌
D. 白色念珠菌
E. 溶血性链球菌
【单选题】
慢性肺炎的病程为___
A. ＜3个月
B. ＞1个月
C. ＜1个月
D. ＞3个月
E. 1～3个月
【单选题】
对热衰竭发生机制描述正确的是___
A. 体温调节中枢受损
B. 大量出汗致血容量不足
C. 散热不足
D. 脑组织充血水肿
E. 电解质紊乱
【单选题】
下列关于低血钾的病因不正确的是___
A. 长期不能进食
B. 急性肾功能衰竭
C. 严重呕吐，持续胃肠减压
D. 大量注射葡萄糖并与胰岛素合用
E. 碱中毒
【单选题】
正常新生儿每日共需热能量约___
A. 318～410kJ／kg
B. 358～420kJ／kg
C. 378～442kJ／kg
D. 418～502kJ／kg
E. 458～552kJ／kg
【单选题】
胚胎期造血最早出现在___
A. 卵黄囊
B. 淋巴结
C. 胸腺
D. 肝脾
E. 骨髓
【单选题】
损伤平面以下同侧肢体的运动和深感觉丧失，对侧肢体的痛觉和温度觉丧失称为___
A. 脊髓断裂
B. 脊髓挫伤
C. 脊髓休克
D. 脊髓圆锥损伤
E. 脊髓半切征
【单选题】
不属肺癌的分类为___
A. 鳞癌
B. 腺癌
C. 大细胞癌
D. 未分化的小细胞癌
E. 鳞腺癌
【单选题】
胆汁内的主要成分为___
A. 胆盐、磷脂酰胆碱、胆红素
B. 胆盐、磷脂酰胆碱、胆固醇
C. 胆盐、胆红素、胆固醇
D. 磷脂酰胆碱、胆红素、钙盐
E. 磷脂酰胆碱、胆固醇、钙盐
【单选题】
气性坏疽是属于___
A. 毒血症
B. 菌血症
C. 脓血症
D. 败血症
E. 脓毒败血症
【单选题】
脑干损伤瞳孔表现常是___
A. 一侧瞳孔散大，对光反射减弱
B. 双侧瞳孔散大，对光反射减弱或消失
C. 双侧瞳孔时大时小，对光反射消失，伴眼球运动障碍
D. 一侧瞳孔缩小，对光反射减弱或消失
E. 双侧瞳孔缩小，对光反射正常
【单选题】
新生儿排胎便的时间为___
A. 生后1～2天
B. 生后6小时内
C. 生后24小时内
D. 生后2～3天
E. 生后12小时内
【单选题】
有关急性胰腺炎患者尿淀粉酶与血清淀粉酶描述正确的是___
A. 两者同时下降
B. 尿淀粉酶先增高
C. 血清淀粉酶先增高
D. 尿淀粉酶下降
E. 尿淀粉酶持续下降
【单选题】
初乳的颜色为___
A. 淡黄色
B. 混浊淡白色
C. 混浊淡黄色
D. 黄色
E. 白色
【单选题】
门静脉和腔静脉之间的交通支不包括___
A. 食道胃底静脉交通支
B. 直肠下段、肛管交通支
C. 前腹壁交通支
D. 腹膜后交通支
E. 下腔静脉交通支
【单选题】
白细胞计数的正常值是___
A. 3．0×10～9．0×10／L
B. 4．0×10～10．0×10／L
C. 4．0×10～9．0×10／L
D. 3．0×10～10．0×10／L
E. 40×10～110×10／L
【单选题】
局麻药中毒出现严重惊厥，处理时选哪项药物较好___
A. 吗啡
B. 地西泮（安定）
C. 哌替啶
D. 异丙嗪
E. 苯巴比妥钠
【单选题】
患者，20岁，平时月经不规律，摸到腹部包块而就诊，查尿妊娠反应阳性，可听到胎心，宫底在脐耻之间，估计孕周为___
A. 8周末
B. 12周末
C. 14周末
D. 16周末
E. 20周末
【单选题】
新生女婴阴道少量出血，常见的原因是___
A. 外阴损伤
B. 膀胱炎
C. 雌激素撤退
D. 孕激素撤退
E. 血友病
【单选题】
烧伤面积的计算，中国九分法头颈面积为___
A. 9%
B. 7%
C. 8%
D. 11%
E. 4%
【单选题】
下面属于毛细支气管炎的主要病原菌的是___
A. 冠状病毒
B. 流感副病毒
C. 支原体
D. 呼吸道合胞病毒
E. 腺病毒
【单选题】
急性感染性多发性神经根炎最严重的后果是___
A. 吞咽困难
B. 呼吸肌麻痹
C. 肺部感染
D. 心力衰竭
E. 心肌炎
【单选题】
急性腹膜炎发生休克的主要原因是___
A. 剧烈疼痛
B. 麻痹性肠梗阻肠腔内积液
C. 腹膜吸收大量毒素，血容量减少
【单选题】
发热的原因是___
A. 营养不良
B. 缺乏成熟中性粒细胞
C. 缺氧
D. 应激反应
E. 体温调节中枢功能障碍
【单选题】
患者，男性，十二指肠溃疡患者，突然发生呕吐，所吐物为昨天吃的食物。引发原因是___
A. 反流性食管炎
B. 急性中毒
C. 胆石症
D. 幽门梗阻
E. 急性胰腺炎
【单选题】
男，40岁。近日来头痛、恶心，有时呕吐，无发热，血压20／12．6kPa(150／97mmHg)，脉搏46次／min，此脉搏被称为___
A. 绌脉
B. 洪脉
C. 水冲脉
D. 缓脉
E. 不整脉
【单选题】
容易引起急性肾功能损伤的外伤是___
A. 脑挫伤
B. 前臂开放性骨折
C. 严重挤压伤
D. 严重裂伤
E. 颅底骨折
【单选题】
引起婴儿腹泻的感染因素中最多见的是___
A. 空肠弯曲菌
B. 产气夹膜杆菌
C. 轮状病毒
D. 痢疾杆菌
E. 葡萄球菌
【单选题】
患者，女性，54岁，手术前行腰麻，当麻醉穿刺注药后血压立即下降，主要原因是___
A. 麻药注入过慢
B. 麻醉平面过低
C. 交感神经抑制
D. 缺氧
E. 穿刺部位出血
【单选题】
对室颤病人进行心肺复苏的首选药物是___
A. 碳酸氢钠
B. 山莨菪碱
C. 利多卡因
D. 去甲肾上腺素
E. 葡萄糖酸钙
【单选题】
合成胎盘的组织包括___
A. 叶状绒毛膜+包蜕膜+真蜕膜
B. 滑泽绒毛膜+底蜕膜+真蜕膜
C. 滑泽绒毛膜+包蜕膜+羊膜
D. 叶状绒毛膜+底蜕膜+羊膜
E. 叶状绒毛膜+底蜕膜+真蜕膜
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【单选题】
You can take ______ seat you like. ___
A. no matter what
B. no matter which
C. what
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【单选题】
He changed his name， _____ that nobody would find out what he had done before. ___
A. having thought
B. to think
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----- _______is your English teacher？ ----- The one in red. ___
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A. whether
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I'm afraid it ______ tomorrow, but who knows?___
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He has spent ____money on his new house.___
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This is the hotel __________ I like to stay.___
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Would you mind keeping a（n）__________on the house for us while we are away？___
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He suggested the sports meet be _______because of the bad weather. ___
A. put away
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If the weather is __________ suitable, we will play the football match on Tuesday. ___
A. by means of
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【单选题】
_____________is one of the five working languages at U.N. , which _______ are very proud of.___
A. The Chinese, the Chinese
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【单选题】
The war lasted so long that people were tired of it. Everyday there was large crowds of demonstrators _____against the war.___
A. protecting
B. prescribing
C. protesting
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【单选题】
Tom is so talkative. I’m sure you'll soon get tired ________ him.___
A. of
B. with
C. at
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【单选题】
He ________ driving me home, even though I told him I lived nearby.___
A. insisted on
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We came finally ______ the conclusion that she has been telling lies all the time.___
A. of
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I am not used to speaking ________ public.___
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I didn’t know what to do, but then an idea suddenly ________to me.___
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【单选题】
Measles （麻疹） ________ a long time to get over.___
A. spend
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C. take
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【单选题】
A pair of spectacles ________ what I need at the moment.___
A. is
B. are
C. has
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【单选题】
I fell and hurt myself while I ________ basketball yesterday.___
A. was playing
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Don't forget _________ the window before leaving the room.___
A. to have closed
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Twenty people were______ wounded in the air crash.___
A. quickly
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The top of the Great Wall is ________ for five horses to go side by side.___
A. wide
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C. wide enough
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【单选题】
Nancy is considered to be _________ the other students in her class.___
A. less intelligent
B. the most intelligent
C. intelligent as well
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She is not only my classmate __________ also my good friend.___
A. or
B. but
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【单选题】
I would like to do the job ________ you don't force me to study.___
A. in case
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C. though
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__________ she survived the accident is miracle.___
A. What
B. That
C. As
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I often see _________ the road on his way home.___
A. he cross
B. him cross
C. him crossed
D. he crossing
【单选题】
The workers are busy __________ models for the exhibition.___
A. to make
B. with making
C. being making
D. making
【单选题】
The higher the temperature, __________ the liquid evaporates.___
A. the faster
B. the more fast
C. the slower
D. the more slower
【单选题】
Australia is one of the few countries ___________ people drive on the left of the road.___
A. which
B. that
C. where
D. on which
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The grey building is the place where the workers live, and the white building is the place where the spare parts _________ .___
A. are producing
B. are produced
C. produced
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【单选题】
Once environmental damage ___________, it takes many years for the system to recover.___
A. is to do
B. does
C. had done
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We worked hard and completed the task ________.___
A. in the time
B. on the time
C. ahead of time
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I didn't expect you to turn __________ at the meeting yesterday.___
A. up
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Mike is better than Peter _________ swimming.___
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Eggs, though rich in nourishments, have ___________ of fat.___
A. a large number
B. the large number
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【单选题】
His salary as a driver is much higher than _____________.___
A. a porter
B. is a porter
C. as a porter
D. that of a porter
