病人排便后肛门处剧烈疼痛,并出现一个圆形肿块,较硬,压痛明显,应诊断为() ["直肠息肉脱出","内痔脱出嵌顿","肛裂并前哨痔","血栓外痔","肛周脓肿"]
左心室功能不全可出现心脏压塞可出现脉压增大时可出现 ["重搏脉","奇脉","交替脉","水冲脉","短绌脉"]
直肠外脱垂最常用的检查方法为() ["直肠指诊","肛门镜检","钡灌肠造影","病人蹲下做排便动作","排粪造影"]
二尖瓣狭窄伴明显肺动脉高压二尖瓣脱垂动脉导管未闭梅毒性心脏病重度主动脉瓣关闭不全 ["肝脏收缩期搏动","Graham-Steell杂音","Austin-Flint杂音","收缩中、晚期喀喇音","胸骨左缘第2肋间连续性机器样杂音"]
急性一氧化碳中毒可做哪项相关检查()急性有机磷农药中毒可做哪项相关检查()急性酒精中毒可做哪项相关检查()氨基甲酸酯类杀虫剂中毒可做哪项相关检查()铅中毒可做哪项相关检查() ["血液碳氧血红蛋白测定","全血胆碱酯酶活力测定","血乙醇浓度","血铅测定","以上都不对"]
机体抵抗微生物感染的基本免疫功能是()机体杀伤和清除异常突变细胞的功能是()机体识别和清除自身衰老组织、细胞的功能是()