传染源是指()。 A.体内有病原体的人 B.体内有病原体的人和动物 C.体内有病原体

题型:单项选择题

问题:

传染源是指()。

A.体内有病原体的人

B.体内有病原体的人和动物

C.体内有病原体繁殖的人和动物

D.体内有病原体繁殖并能排出病原体的人和动物

E.能排出病原体的人和动物

考点:卫生毒理(医学高级)流行病学流行病学题库
题型:单项选择题

患者女性,34岁,因“居民楼起火逃生时经3楼坠落”来诊。患者躁动,可正确对答,诉剧烈头痛,多处烧伤部位疼痛,呕吐2次,呕吐物为胃内容物。查体:体温36.5℃,脉搏120次/分,呼吸20次/分,血压100/61mmHg(1mmHg=0.133kPa)。头面部、四肢约40%总体表面积皮肤被烧伤,双瞳孔等大正圆,直径约4mm,对光反射存在,额部右侧见长约5cm头皮裂伤,伤口不规则,已无活动性出血。右下肢内收畸形,右大腿肿胀,局部可查及骨擦音。

提示:患者行颅脑CT:右额部硬膜外血肿,出血量约20ml。右下肢X线片:右股骨干骨折。关于该患者的补液治疗,叙述正确的是()

A.严格按照烧伤补液公式进行补液治疗

B.由于患者合并硬膜外血肿,补液量应减少

C.由于患者合并右股骨骨折,补液量应增加

D.控制输液总量,适当地增加胶体液的比例,力求输液速度均匀,避免一次快速输入单一的大量液体

E.密切观察患者尿量、心率、血压,有条件的单位应监测血流动力学、颅内压,防治休克,使各项防治休克输液指标控制在低水平

F.在补液的同时,注意使用脱水药和激素,防治脑水肿

题型:单项选择题

通过财政支出国家的各种职能得以实现。 财政支出按具体用途,可以分为

①经济建设支出②科教文卫支出③债务支出和其他支出④行政管理和国防支出    

A.③④

B.①②③

C.①③④

D.①②③④

题型:单项选择题

测定石油产品凝点时装有试样和温度计的试管从水浴中拿出后要()地固定在试管架上,并放在室中静置,直至试管中的试样冷却到()为止。

题型:单项选择题

Attempts to understand the relationship between social behavior and health have their origin in history. Dubos (1969) suggested that primitive humans were closer to the animals (1) they, too, relied’upon their instincts to stay healthy. Yet some primitive humans (2) a cause and effect relationship between doing certain things and alleviating (3) of a disease or (4) the condition of a wound. (5) there was so much that primitive humans did not (6) the functioning of the body, magic became an integral component ofthe beliefs about the causes and cures of heath (7) Therefore it is not (8) that early humans thought that illness was caused (9) evil spirit. Primitive medicines made from vegetables or animals were invariably used in combination with some form of ritual to (10) harmful spirit from a diseased body.

One of the. earliest (11) in the Western world to formulate principles of health care based upon rational thought and (12) of supernatural phenomena is found in the work of the Greek physician Hippocrates. The writing (13) to him has provided a number of principles underiying modern medical practice. One of his most famous (14) , the Hippocratic Oath, is the foundation of contemporary medical ethics.

Hippocrates also argued that medical knowledge should be derived from a (15) of the natural science and the logic of cause and effect relationships. In this (16) thesis, On Air, Water, and Places, Hippocrates pointed out that human well-being is (17) by the totality of environmental (18) : living habits or lifestyle, climate, geography of the land, and the quality of air, and food. (19) enough, concerns about our health and the quality of air, water, and places are (20) very much written in twentieth century.

10()

A.discharge

B.exclude

C.dismiss

D.expel

题型:单项选择题

滚动轴承的预紧方法有哪些?

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