体力劳动强度按劳动强度指数大小分为()级。P172 ["3","4","5","6"] 阑尾易发生坏死，是因为() ["A．阑尾系膜短易卷曲","B．阑尾远端为盲管","C．阑尾含有丰富的淋巴组织","D．阑尾开口小","E．阑尾动脉为终末动脉，易发生血运障碍"] 女孩，10岁，体温39℃，诉右下腹痛，腹泻3～4次/日，但无腹肌紧张及反跳痛，下列疾病中最可能的是() ["A．回盲部淋巴结炎","B．急性胃肠炎","C．急性阑尾炎","D．菌痢","E．节段性肠炎"] 女性，30岁，头痛、头晕2个月，加重4天。CT平扫见右额叶皮质下圆形低密度肿块，增强扫描肿块边缘强化，中心未见强化，考虑为右额叶肿瘤。术中见肿瘤与周围脑组织分界不清，部分区水肿，半透明。按照WHO中胶质瘤的分级标准，应属于哪一级() ["A．Ⅰ级","B．Ⅱ级","C．Ⅲ级","D．Ⅲ～Ⅳ级","E．Ⅳ级"] 阑尾炎切除术后最常见的并发症是() ["A．粪瘘","B．切口感染","C．阑尾残株炎","D．粘连性肠梗阻","E．腹膜炎，腹腔脓肿"] 小儿阑尾炎的临床特点是()