呕吐咖啡色血是因为血液经胃酸作用形成何物所致()。
A.正铁血红素
B.铁血红素
C.硫化铁
D.亚硫化铁
E.氧化铁
参考答案:A
阅读下面短文,用括号内所给动词的适当形式填空,必要时可加助动词或情态动词。(请将各小题答案写在短文后相应的横线上)
Do you still remember Old Henry? Last Sunday, he 小题1: (go) for a walk with Wang Wang, his cute dog. It was a nice day. Old Henry sat down and watched Wang Wang 小题2: (play) with a friendly black cat. Then it was time to go home. Old Henry looked for his dog. But Wang Wang 小题3: (be) not there! Now Old Henry is very sad. He 小题4:(miss) his dog and doesn’t want to do anything.
下列哪项指标不能提示颅内压增高()
A.深昏迷
B.前囟饱满
C.心率加快
D.血压增高
E.瞳孔对光反应迟钝