【单选题】
下列各项急性炎症反应，按出现顺序哪一种最先出现( )
A. 血管扩张
B. 血流缓慢
C. 白细胞附壁
D. 白细胞游出
E. 血流停滞
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答案
A
解析
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相关试题
【单选题】
肉芽肿指( )
A. 结缔组织增生而形成境界清楚的结节状病灶
B. 淋巴、网状组织增生形成的结节状病灶
C. 多核巨噬细胞形成的结节状病灶
D. 巨噬细胞及其演化细胞呈局部浸润和增生形成的境界清楚的结节状病灶
E. 黏膜上皮、腺体和结缔组织增生并向黏膜表面突出的蒂状肿物
【单选题】
关于炎症的叙述，下列哪项是正确的( )
A. 炎症对机体均有利
B. 任何机体都会发生炎症反应
C. 急性炎症也可出现以增生为主的病变
D. 慢性炎症均由急性炎症发展而来
E. 炎症反应不会损伤机体
【单选题】
败血症指的是( )
A. 细菌大量入血，血中可查到细菌，但可无中毒症状
B. 细菌毒素入血，引起中毒症状
C. 细菌产物被吸收入血引起中毒症状
D. 细菌入血繁殖并产生毒素从而引起中毒症状，并在一些器官形成脓肿
E. 细菌入血，繁殖并产生毒素，并有中毒症状
【单选题】
关于败血症，以下哪项不准确( )
A. 血液中有细菌生长繁殖
B. 常有较重的全身症状
C. 在皮肤、黏膜处可发现出血点
D. 血培养是最有价值的诊断
E. 常形成转移性脓肿
【单选题】
白细胞渗出与红细胞漏出是( )
A. 同时在相同的机制下发生
B. 相互独立的两个过程
C. 先有白细胞渗出再有红细胞漏出
D. 白细胞渗出后产生炎症介质可对红细胞漏出产生趋化作用
E. 同时渗出
【单选题】
关于浆细胞下列哪项是错的( )
A. 正常时不存在于血液中
B. 无吞噬功能
C. 来源于T淋巴细胞
D. 椭圆形，核位于胞质一端，核染色呈车轮状分布
E. 胞质内有丰富的粗面内质网
【单选题】
炎性浸润是指( )
A. 白细胞自血管内进入炎区组织
B. 血浆蛋白自血管进入炎区组织
C. 液体成分自血管内进入炎区组织
D. 生物病原体进入炎区组织
E. 炎症向周围组织扩展
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( ) 26. Where does the writer of "The little Prince" come from?
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B. B
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B. B
C. C
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( ) 34. The underlined phrase “leak out” in the third paragraph may mean “________.”
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( ) 38. After the trip to the Arctic, Clarence Birdseye invented ____________.
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【单选题】
1、下列词语中，读音全都正确的一组是（ ）
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【单选题】
、下列词语中加点的字的读音完全相同的一项是（ ）
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D. 官（僚） （撩）拨 青面（獠）牙 星火（燎）原
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