[单项选择]男性,58岁,胆囊炎胆石症手术后3天,高热持续不退,咳嗽黄脓痰,伴右侧胸痛。胸部X线摄片示右下肺大片实变伴不规则透亮区。在获得病原学诊断前其经验性抗菌治疗应选择() A. 大剂量青霉素 B. 林可霉素加阿米卡星加甲硝唑 C. 单一喹诺酮类 D. 第三代头孢菌素联合氨基糖苷类抗生素 E. 第二代头孢菌素
参考答案:D
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第1题: [单项选择]男,68岁,突然口面部抽搐伴意识障碍4h入院。2d前腹泻多次,服小檗碱(黄连素)缓解。既往有高血压病史10年,平时服用硝苯地平及氢氧噻嗪。无糖尿病病史。体检:血压160/100mmHg,嗜睡,皮肤干燥无汗,多血质面容,颜面部及口角阵发性抽动。压眶刺激诱发患者翻身躁动及对抗动作。瞳孔等大等圆,光反射正常,颈略有抵抗,病理反射未引出。头颅CT未见明确异常。快速血糖检测33.4mmol/L。诊断首先应考虑() A. 癫癎 B. 大面积脑梗死 C. 高血压脑病 D. 蛛网膜下隙出血 E. 非酮症性高渗性糖尿病昏迷 参考答案:E
A. Because many old people are changing their professions. B. Because some people are looking for better jobs. C. Because they have high costs for repairs and advanced technology. D. All of the abov 参考答案:D 答案解析:通过原文“One reason for this is that many older people are changing their professions.They are looking f