(来学网)低位肠梗阻呕吐物的性质是
  • A.
    (来学网)呕吐蛔虫
  • B.
    (来学网)呕吐物含胆汁
  • C.
    (来学网)呕吐物有粪臭
  • D.
    (来学网)呕吐物呈咖啡色
  • E.
    (来学网)呕吐隔餐食物,并含腐酵气味