诊断花粉症和常年性变态反应性鼻炎的特异性致敏物,查鼻分泌物中特异性IgE较查血清特异

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问题:

诊断花粉症和常年性变态反应性鼻炎的特异性致敏物,查鼻分泌物中特异性IgE较查血清特异性IgE更可取的原因是()。

A.取鼻分泌物较静脉血简单,患者无痛苦,有利于随诊观察

B.此两种病主要属局部致敏,测鼻分泌物中的特异性IgE其升高率明显高于测血清IgE的升高率

C.血清IgE水平受多种因素的影响,如肠寄生虫等

D.上述全都是

E.上述都不是

考点:广东住院医师广东住院医师耳鼻咽喉科学广东住院医师耳鼻咽喉科模拟试题(十五)
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连词成句。

1. your, move, please, knee (.)

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2. mouth, open, please, your (.)

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3. my, hurt, arm (.)

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4. have, you, stay, home, to, at (.)

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5. you, head, can, your, lower (?)

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6. will, lessons, help, I, you, English, with, your (.)

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7. cherries, you, here, for, some, are (.)

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8. is, lamb, where, the (?)

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9. calf, there, nearby, a, is (.)

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10. that, a, cub, lion, is (?)

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A.3ml

B.2ml

C.2.5ml

D.1.5ml

E.1ml

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B.兴奋迷走神经

C.抑制钙内流

D.延长动作电位时间

E.促进钾外流

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