猝死最常见的原因是：（） ["A、溺水；","B、触电；","C、急性中毒；","D、冠心病；"]
以麝香为君药的方剂有 ["至宝丹","小儿回春丹","安宫牛黄丸","苏合香丸","回阳救急汤"]
心理测验() ["A．开放式","B．条理性","C．灵敏性","D．随意性","E．间接反映心理活动的规律和特征"]
CPI中所包含的项目() ["A．偏执","B．言语智商","C．内外倾向","D．情绪敏感性","E．社交风度"]
简述法洛四联症的症状和体征。
如图所示，试述心动周期各时相瓣膜启闭、心室压力、心音的变化。
