上消化道出血可单纯表现为呕血或黑便，也可两者兼有，这取决于（

搜题请搜索小程序“爱下问搜题”

问题单项选择题

上消化道出血可单纯表现为呕血或黑便，也可两者兼有，这取决于（）

A.原发病

B.出血部位

C.出血量

D.在胃内停留时间

E.以上均非

答案

参考答案：C

解析：上消化道出血出血量达5ml以上可出现大便隐血试验阳性。达60ml以上可出现黑便，胃内蓄积血量达300ml可出现呕血。

阅读理解

I am Jane. This is my room. It's not big(大的). But it's very nice. My computer is on the table. And

some video tapes are in the drawer. Where's my backpack? Oh, it's not on the table. It's on the chair.

My pencils aren't on the table. They are in my pencil case and my pencil case is in my backpack. My

alarm. clock, my ID card and my keys are on the dresser.

根据短根据内容判断下列句子的正 (T) 误 (F) 。

( )1. Jane's video tapes are on the computer.

( )2. Jane's backpack is on the table.

( )3. Jane's pencil case is in the backpack.

( )4. Jane's ID card is in the drawer.

( )5. Jane's room is very big.

单项选择题

女性45岁，巩膜及皮肤黄杂10个月，伴皮肤瘙痒。查体：巩膜及皮肤明显黄染，肝肋下3cm，质硬，光滑，脾大近脐。血清抗线粒体抗体滴度明显增高，血清总胆红素85μmol/L，直接胆红素 56μmol/L，ALP 250IU，ALT 120IU，γ -GT 205IU。最可能的诊断是

A．原发性肝癌
B．慢性活动性肝炎
C．原发性胆汁性肝硬化
D．梗阻性黄疸
E．坏死后性肝硬化