试题与答案

下列哪项是阵发性睡眠性血红蛋白尿特异性的诊断依据() A.红细胞寿命缩短 B.Coo

题型:单项选择题

题目:

下列哪项是阵发性睡眠性血红蛋白尿特异性的诊断依据()

A.红细胞寿命缩短

B.Coombs试验(+)

C.HbE(+)

D.Ham试验(+)

E.网织红细胞增高

答案:

参考答案:D

解析:酸溶血(Ham)试验是指患者红细胞与含5%盐酸的正常同型血清混合,pH6.4,37℃孵育2小时,溶血明显。本试验阳性对阵发性睡眠性血红蛋白尿(PNH)特异性高,敏感性略差,是诊断的重要依据。

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How could I explain how I  51  the desert? I couldn't seem to find the right words.

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That was it. That was the feeling I'd had ever since I'd first seen the mountains of my new home. Again, my  55  would change with just a few simple words.

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36. A. During            B. Until               C. Upon                    D. Before   

37. A. gathered          B. warned            C. organized          D. comforted 

38. A. hoping              B. admitting         C. realizing            D. believing  

39. A. going                B. moving           C. driving                 D. flying    

40. A. good                 B. simple            C. big                       D. proper    

41. A. picture              B. ground            C. scene               D. area     

42. A. suggested                   B. solved            C. discovered         D. explained 

43. A. settled              B. walked           C. hurried              D. stepped

44. A. If                     B. After                    C. Once               D. While  

45. A. bitterly             B. easily                   C. proudly             D. eagerly   

46 A as well                B. as usual           C. right away         D. on time 

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48. A. of course           B. in fact                    C. after all             D. at least  

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55. A. idea                  B. life                        C. home                    D. family

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