某患者,心电图表现为:P波高尖,振幅为0.30mV,P波时间0.08s,以Ⅱ、Ⅲ、a

题型:单项选择题

问题:

某患者,心电图表现为:P波高尖,振幅为0.30mV,P波时间0.08s,以Ⅱ、Ⅲ、aVF导联最为明显,应考虑为

A.左房肥大

B.双房肥大

C.右房肥大

D.左室肥大

E.右室肥大

考点:基础医学医学诊断学心电图(二)
题型:单项选择题

阅读理解。

     It’s time to go home now. I am on a bus on a rainy day, and a woman with a dog gets on the bus. It is a big dog and its feet(脚) are not clean.

     I don’t want the dog to sit next to me. But the woman says to the conductor(售票员), "Oh, I pay for(付钱) my dog. Can he sit here like the other people?"

     The conductor looks at the dog and says, "Yes, madam. But like the other people, he must put his feet under the chair."

1. I am going home________.

A. by bike

B. by bus

C. by car

D. by jeep

2.What do I see?

A. A bus

B. A conductor

C. A dog

D. A woman with a big dog

3. I don’t want the dog to sit next to me, because ________.

A. the dog is big

B. the dog is not clean

C. the dog has no ticket(票)

D. the dog isn’t mine

4. Why do the woman and the dog get on the bus?

A. It is a rainy day

B. No one is on the bus

C. The dog can sit

D. The woman is a conductor

5. The meaning (意思) of the conductor’s words is________.

A. the dog’s feet are like the other people

B. the dog must like a man

C. the dog must not(不可以) sit on the chair

D. the dog can sit here

题型:单项选择题

男性,60岁。腹部挤压伤后48小时发生急性弥漫性腹膜炎,急症手术发现结肠穿孔,行穿孔处结肠外置、腹腔引流术。术后T39℃,血压维持在(120~140)/(70~80)mmHg。轻度腹胀,有排气排便。术后第2天尿量由40ml/h逐渐减少至25ml/h。经补液尿量无增加。

临床观察中,最有价值的监测指标是()

A.神志变化

B.体温变比

C.血压变化

D.每小时尿量变化

E.血电解质变化

题型:单项选择题

有关影响沉淀完全的因素叙述错误的()

A.利用同离子效应,可使被测组分沉淀更完全

B.异离子效应的存在,可使被测组分沉淀完全

C.配合效应的存在,将使被测离子沉淀不完全

D.温度升高,会增加沉淀的溶解损失

题型:单项选择题

容易引起免疫耐受性的抗原注射途径为()。

A.静脉>皮下>肌肉>腹腔

B.静脉>腹腔>皮下、肌肉

C.腹腔>静脉>皮下、肌肉

D.皮下>肌肉>腹腔>静脉

E.腹腔>皮下、肌肉>静脉

题型:单项选择题

下列选项中属于人称代词的是()。

A.咱

B.我们

C.人家

D.别人

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