男,54岁。呕血、黑便2天,嗜睡、行为改变1天。实验室检查:ALT35U/L,AST

题型:单项选择题 A2型题

问题:

男,54岁。呕血、黑便2天,嗜睡、行为改变1天。实验室检查:ALT35U/L,AST72U/L,ALB27.3g/L。腹部B超示脾大。最可能的诊断是()

A.胃癌

B.肝硬化失代偿期

C.急性胃黏膜病变

D.消化性溃疡

E.食管贲门黏膜撕裂综合征

考点:临床执业医师临床执业第三单元临床执业第三单元题库
题型:单项选择题 A2型题

某质点在坐标原点O处做简谐运动,其振幅为5.0cm,振动周期为0.40s,振动在介质中沿x轴正向直线传播,传播速度为1.0m/s.当它由平衡位置O向上振动0.20s后立即停止振动,则停止振动后经过0.20s的时刻的波形是如图的(  )

A.

B.

C.

D.

题型:单项选择题 A2型题

中年男性,醉酒后呕吐、误吸,出现咳嗽、咳痰,呼吸困难,胸片提示双肺毛玻璃样改变,吸氧4L/min条件下,血气分析pH7.46,PaO252mmHg,PaCO228mmHg

该患者治疗上不适宜的措施为().

A.气管插管呼吸机辅助呼吸

B.间断吸痰

C.防治肺部感染

D.大量补液

E.防治消化道出血

题型:单项选择题 A2型题

患儿男性,3岁,误吸氯气后半小时入院。查体面罩吸氧下烦躁不安、口唇发绀、明显呼吸困难,可闻及吸气性喘鸣,肺部听诊双肺呼吸音减低,吸气相延长。血气分析提示:PaO2为45mmHg,PaCO2为65mmHg。

对该患儿的急救最适当的应是()

A.加大面罩吸氧氧流量至10L/min

B.紧急胸腔穿刺

C.胸腔闭式引流

D.气管插管以维持气道通畅

E.机械通气,应用CPAP/PEEP

题型:单项选择题 A2型题

湿式系统管网安装完毕后,管网的强度试验和严密性试验介质要求是:()。

A、强度试验和严密性试验宜用水进行

B、强度试验和严密性试验宜用氮气进行

C、强度试验宜用水进行,严密性试验宜用氮气进行

D、强度试验宜用氮气进行,严密性试验宜用水进行

题型:单项选择题 A2型题

With the sudden onset of severe psychotic symptoms, the individual is said to be experiencing acute schizophrenia (精神分裂症). "Psychotic" means out of touch with reality, or unable to separate real from unreal experiences. Some people have only one such psychotic episode. Others have many episodes during a lifetime but lead relatively normal lives during interim periods. The individual with chronic (continuous or recurring) schizophrenia often does not fully recover normal functioning and typically requires long-term treatment, generally including medication, to control the symptoms. These symptoms may include hallucinations (幻觉), incoherence, delusions, lack of judgment, deterioration of the abilities to reason and feel emotion, and a lack of interaction between the patient and his environment. The hallucinations may be a visual, auditory, or tactile. Some chronic schizophrenic patients may never he able to function without assistance of one sort or another.

It can be inferred from the passage that a person experiencing acute schizophrenia most likely ______.

A. cannot live without medication
B. cannot go on living
C. can hold a full-time job
D. cannot distinguish real from unreal

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