[名词解释] 杵状指(趾)

青紫型先心病 休克时正确的补液原则应是() ["A．补液"宁多勿少"","B．"需多少，补多少"","C．补充丧失的部分液体和当天继续丧失的液体","D．"失多少，补多少"","E．如血压正常不必补液"] 文氏现象 原发性肺结核是指() ["A．原发综合征","B．胸内淋巴结结核","C．血行播散型肺结核","D．前两者均是","E．前三者均是"] 先天性心脏病(congenitalheartdisease，CHD) 杵状指(趾)