[名词解释] 肠外营养

咽部触诊时可了解什么? 苔癣样变 垂体瘤不易() ["A．沿脑脊液种植","B．出血","C．侵犯海绵窦","D．压迫视交叉","E．使垂体柄偏移"] 败血症 MRA对下列血管病变显示最好的是() ["A．动静脉畸形","B．急性期出血","C．蛛网膜下腔出血","D．亚急性期出血","E．海绵状血管瘤"] 肠外营养