问题 问答题 简答题

黄疸的病因。

答案

参考答案:(1)溶血性黄疸:凡能引起溶血的疾病都可产生溶血性黄疸。①先天性溶血性贫血:如海洋性贫血、遗传性球形红细胞增多症;②后天获得性溶血性贫血:如自身免疫性溶血性贫血、新生儿溶血、不同血型输血后的溶血,阵发性睡眠性血红蛋白尿等。临床表现:一般黄疸为轻度,呈浅柠檬色,不伴皮肤瘙痒,急性溶血时可有发热、寒战、头痛、呕吐、腰痛,并有不同程度的贫血和血红蛋白尿(尿呈酱油色或茶色),严重者可有急性肾功能衰竭;慢性溶血多为先天性,除伴贫血外尚有脾肿大。(2)肝细胞性黄疸。(3)胆汁淤积性黄疸。(4)先天性非溶血性黄疸。

单项选择题 B1型题
填空题


In the following passage, there are 20 blanks representing the words that are missing from the context. You are to put back in each of the blanks the missing word. The time for this section is 20 minutes.
Where do you really come from And how did you get (1) where you live today DNA studies suggest that all humans today (2) from a group of African ancestors who—about 60,000 years ago— (3) a remarkable journey.
The Genographic Project is seeking to chart new (4) about the migratory history of the human species by (5) sophisticated laboratory and computer analysis of DNA contributed by hundreds of (6) of people from around the world. In this unprecedented and real-time (7) effort, the Genographic Project is closing the gaps of what science (8) today about mankind’s ancient migration stories.
The Genographic Project is a five-year (9) partnership led by National Geographic Explorer-in-Residence Dr. Spencer Wells. Dr. (10) and a team of renowned international scientists and IBM researchers, are (11) cutting-edge genetic and computational technologies to analyze historical patterns in DNA (12) participants around the world to better understand our human genetic roots. (13) three components of the project are: to gather field research data (14) collaboration with indigenous and traditional peoples around the world; to invite (15) general public to join the project by purchasing a Genographic Project Public Participation Kit; (16) to use proceeds from Genographic Public Participation Kit sales to further (17) research and the Genographic Legacy Fund which in (18) supports indigenous conservation and revitalization projects. The Project is anonymous, non-medical, (19) , non-profit and non-commercial and all results will be placed in the (20) domain following scientific peer publication.