确定乳腺叶状肿瘤的良恶性指标，应除外（） ["肿瘤大小","间质细胞的密度","间质细胞的多形性","间质细胞核的分裂象","肿瘤边界"]
关于十二指肠溃疡的治疗，最重要的是（）。 ["卧床休息","及早作胃大部切除术","制止胃酸并清除幽门螺杆菌","睡前再加一餐饮食","硫糖铝口服"]
Osler结见于（） ["急性风湿热","系统性红斑狼疮","急性病毒性心肌炎","亚急性细菌性心内膜炎","结核性胸膜炎"]
精神极度疲惫，神识朦胧，困倦欲睡，肢冷脉微，是因（） ["痰湿困脾","脾虚不运","清阳不升","心肾阳虚","痛后正气未复"]
亚急性感染性心内膜炎最常见的死亡原因是（） ["脑栓塞","心力衰竭","细菌性动脉瘤","肾功能不全","脾破裂"]
试述室间隔缺损病理生理。
