单选题败血症的临床表现主要特点是

单选题女，42岁，自觉上腹部不适，恶心1天，2小时前突然呕出大量鲜血，心悸，出汗。查体：神清，面色苍白，肝掌，心率：110次／分，血压80／60mmHg，肝、脾未及。实验室检查：血红蛋白80g／L，白细胞4×10 9 ／L，血小板70×10 9 ／L，总胆红素34．2μmol／L。首先考虑的诊断是

单选题尺桡骨骨折继发前臂缺血性肌挛缩造成的专有畸形是

单选题急性继发性化脓性腹膜炎最常见的原因是

单选题A．金黄色葡萄球菌 B．乙型溶血性链球菌 C．大肠埃希菌 D．真菌

单选题男性，45岁，因胃溃疡行胃大部切除术。术后出现顽固性呃逆，首先考虑

单选题高位截瘫的并发症有

单选题肾病综合征患者出现高脂血症的原因是

单选题女性，22岁，检查时发现镜下血尿，下列哪种说法不正确

单选题可能导致急性肾功能不全的止血方法是

单选题周围神经损伤后，不适于判断神经功能恢复情况的检查是

单选题The "standard of living" of any country means the average person's share of the goods and services which the country produces. A country's standard of living, (1) , depends first and (2) on its capacity to produce wealth." Wealth" in this sense is not money, for we do not live on money (3) on things that money can buy. "Goods" such as food and clothing, and "services" such as transport and " (4) ". A country's capacity to produce wealth depends upon many factors, most of (5) have an effect on one another. Wealth depends (6) a great extent upon a country's natural resources. Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a (7) climate; other regions possess none of them. Next to natural resources (8) the ability to turn them to use. China is perhaps as well (9) as the USA in natural resources, but suffered for many years from civil and (10) wars, and (11) this and other reasons was (12) to develop her resources. (13) and stable political conditions, and (14) from foreign invasion, enable a country to develop its natural resources peacefully and steadily, and to produce more wealth than another country equally well (15) by nature but less well ordered. A country's standard of living does not only depend upon the wealth that is produced and consumed (16) its own borders, but also upon what is indirectly produced through international trade. (17) , Britain's wealth in foodstuffs and other agricultural products would be much less if she had to depend only on (18) grown at home. Trade makes it possible for her surplus manufactured goods to be traded abroad for the agricultural products that would (19) be lacking. A country's wealth is, therefore, much influenced by its manufacturing capacity, (20) that other countries can be found ready to accept its manufactures.

单选题出血坏死性胰腺炎可继发多种并发症，其中最常见的是

单选题胆总管长度一般是

单选题世界卫生组织推荐的癌痛治疗方案是

单选题A．浓缩红细胞B．冷沉淀C．血小板D．免疫球蛋白

单选题患者，女，61岁，多饮多食多尿8年，发现尿蛋白5年，近1个月出现活动时呼吸困难，心悸，验血结果为钠137mmol／L，钾5.9mmol／L，氯109mmol／L，肌酐2121μmol／L，尿素氮12.3mmol／L。尿检为pH5.5，SG 1.010，RBC 6／μL，WBC 18／μL。下列哪项诊断不正确

单选题原发性肝癌淋巴转移最多转移至

单选题脾切除使多数病人溶血程度明显减低，且可减少输血量的疾病是

单选题下列不符合尿毒症导致的心血管疾病的描述是