A.400ml B.300ml C.200ml D.100ml
A.為心房收縮所致 B.為心室收縮開(kāi)始時(shí)三尖瓣突向心房所致 C.為心房舒張,是三尖瓣未開(kāi)時(shí)血匯集于右心房和腔靜脈所致 D.為三尖瓣開(kāi)放所致
A.1102ml B.2200ml C.3205ml D.4205ml