(来学网)冠脉管径低于多少时会严重影响血供
  • A.
    (来学网)20%~25%
  • B.
    (来学网)30%~35%
  • C.
    (来学网)40%~45%
  • D.
    (来学网)60%~65%
  • E.
    (来学网)70%~75%
正确答案:
E
答案解析:
冠脉管径低于70%~75%时会严重影响血供