男,49岁,既往体健,因头晕半天,黑便3次,急诊。血压80/50mmHg,心率124

题型:单项选择题

问题:

男,49岁,既往体健,因头晕半天,黑便3次,急诊。血压80/50mmHg,心率124/分,面色苍白,冷汗。

首先考虑

A.急性肠炎

B.急性胃穿孔

C.心绞痛

D.心肌梗死

考点:普通考研西医综合西医综合
题型:单项选择题

阅读下列短文,从所给的四个选项中选出最佳答案.
A young man once asked Albert Einstein, the great scientist,  1  the secret of success(成功) is. The scientist told him that the secret of success is  2  work. A few days later the young man asked him the same question again. Einstein was very  3 . He did not say  4 , but wrote  5  words on a piece of paper and handed it  6  the young man. The young man looked at the piece of paper.  7  it was written: A=X+Y+Z.
“What does this mean?” asked the young man.
“A means success,” explained the old scientist. “X stands for(代表) hard work, Y stands for good methods(方法), and Z…, Z means stopping  8 and getting down to work.”
小题1:
A.howB.whatC.whichD.why
小题2:
A.hardB.easyC.goodD.bad
小题3:
A.pleasedB.happyC.angryD.sorry
小题4:
A.anythingB.nothingC.somethingD.everything
小题5:
A.a littleB.littleC.a fewD.few
小题6:
A.forB.toC.ofD.with
小题7:
A.OverB.OnC.InD.At
小题8:
A.talkB.to talkC.talkedD.talking
题型:单项选择题

血红蛋白是由()

A.一对珠蛋白肽链和二个亚铁血红素组成

B.一对珠蛋白肽链和四个亚亚铁血红素组成

C.两对珠蛋白肽链和二个亚铁血红素组成

D.两对珠蛋白肽链和三个亚铁血红素组成

E.两对珠蛋白肽链和四个亚铁血红素组成

题型:单项选择题

川芎主要成分为()

A.川芎嗪

B.挥发油

C.藁本内酯

D.丁烯基酰内酯

E.香豆素

题型:单项选择题

妊娠期龈炎的可疑致病菌是

A.黏性放线菌

B.中间普氏菌

C.内氏放线菌

D.微小消化链球菌

E.牙龈二氧化碳噬纤维菌

题型:单项选择题

合用可加重锥体外系反应的是

A.氨基糖苷类抗生素与万古霉素
B.甲氧氯普胺与吩噻嗪类抗精神病药
C.肝素钙与阿司匹林
D.甲氧氯普胺与硫酸镁
E.氢溴酸山莨菪碱与盐酸哌替啶

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