皮皮学,免费搜题
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搜题
【单选题】
与氨苄西林的性质不符的是( )
A.
是在青霉素6位酰胺侧链中引入苯甘氨酸得到
B.
不能口服
C.
易发生聚合反应
D.
分子中有五个手性中心
E.
聚合反应与6位酰胺侧链中游离的氨基有关
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【简答题】患者男性,53岁,肝硬化病史6年,突然出现呕血约800ml,伴黑便,速来就医。查体:神清,血压13.2/8.0kPa,心率100次/分。上消化道出血的最可能原因为A、食管胃底静脉曲张破裂出血 B、胃溃疡出血 C、十二指肠壶腹部溃疡出血 D、急性胃黏膜糜烂 E、胃癌出血 对于该患者的护理,下列哪项不正确A、保持呼吸道通畅,呕血时头偏向一侧 B、平卧位,将头略抬高 C、减轻病人的紧张情绪 D、密切观察...
【多选题】When learners encounter new items they need to know
A.
what they mean.
B.
how they are used in communication.
C.
how to pronounce them, their grammatical structure.
D.
how they relate to other language items.
【单选题】It's not highly recommended that a dictionary be at hand when English learners _____ some new words. [      ]
A.
come out
B.
come about
C.
come along
D.
come across
【简答题】When teaching a grammatical item, the teacher always provides learners with authentic language data without any form. of explicit explanation, and then he tries to help students elicit the grammar rul...
【简答题】Oxford When language learners arrive in Oxford, many ask where the university is, thinking that they will be shown just one building. It's up to their teachers to explain that Oxford university is mad...
【单选题】患者,男性,40岁。既往有肝硬化食管静脉曲张破裂出血病史。今晨起床呕血4次,量约为1200ml,黑便2次,伴头昏、心悸。入院检查:血压60/45mmHg。心率180次/分钟,巩膜黄染,腹部膨隆,移动性浊音阳性。此时首先应采取的护理措施是()
A.
准备肌注止血药物
B.
建立静脉通道补充血容量
C.
准备抗酸药物
D.
准备急查B超
E.
嘱患者严格卧床休息
【单选题】Visual learners learn better when they can ________.
A.
listen or hear
B.
smell
C.
see or read
D.
touch
【单选题】Visual learners learn better when they can ________.
A.
see or read
B.
listen or hear
C.
smell
D.
touch
【单选题】患者,男性,40岁,因“呕血伴黑便半天”入院。患者于半天前无明显诱因,呕暗红色血液200ml,伴黑便,为黑色稀便,量较多,患者自觉头昏、乏力、出冷汗,近日上述症状明显加重,为进一步明确诊断及治疗而转入某院。体格检查:T36.7℃,P90次/分,R20次/分,BP105/66mmHg,神志清楚,重度贫血貌,全身皮肤黏膜黄疸,颈部可见数枚蜘蛛痣,肝掌(+),浅表淋巴结触及肿大,腹部明显膨隆,均有压痛及...
A.
肝硬化并食管-胃底静脉曲张破裂出血
B.
食管贲门黏膜撕裂综合征
C.
消化性溃疡
D.
急性胃黏膜病变
E.
胃痛
【单选题】患者,男性,40岁。既往有肝硬化食管静脉曲张破裂出血病史。今晨起床呕血4次,量约为1200ml,黑便2次,伴头昏、心悸。入院检查:血压60/45mmHg。心率180次/分钟,巩膜黄染,腹部膨隆,移动性浊音阳性。对患者应采取的护理措施中不包括()
A.
立即补液
B.
下胃管
C.
给予止血药
D.
准备输库存血
E.
内窥镜下止血治疗
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