月经后期,月经量少,色淡质稀,此属() ["营血亏虚","寒凝瘀阻","痰湿阻滞","血热内积","气虚不固"]
患者男性,21岁,因心悸、胸闷3小时就诊,听诊心率72次/分,心律规则,如考虑心律失常,下列哪项应考虑() ["心房扑动伴固定比例(如4:1)房室传导","阵发性室上性心动过速","二度房室传导阻滞","心房颤动","窦性心动过速"]
精氨酸酶催化L精氨酸水解为L鸟氨酸与尿素,属于() ["绝对专一性","相对专一性","立体异构专一性","化学键专一性","族类专一性"]
耳蜗的生理功能是()。 ["平衡功能","位置觉","对声音信息的编码","传音功能","感音功能"]
体循环或肺循环出现栓塞频率较高的是() ["酒精性心肌病","肥厚型心肌病","扩张型心肌病","围生期心肌病","病毒性心肌炎"]
冠状动脉粥样硬化性心脏病手术治疗的主要适应证是什么?