动脉血压升高可导致() ["A．心房收缩期延长","B．心室舒张期延长","C．心室射血相延长","D．等容收缩相延长","E．心室收缩期延长"]
我国正常成年男性的血量约占体重() ["A．10％","B．9％","C．8％","D．7％","E．6％"]
先天性支气管囊肿的主要并发症为() ["A．继发感染","B．癌变","C．肺大泡","D．胸膜炎","E．支气管扩张"]
下述哪种肺炎好发于右心隔角处() ["A．支气管肺炎","B．支原体肺炎","C．流感病毒性肺炎","D．腺病毒肺炎","E．麻疹肺炎"]
试述小儿心力衰竭的临床诊断依据?
良性早博的诊断依据?
