53 弛緩不能(Achalasia)是何種生理功能失調造成的疾病?
(A)上食道括約肌(Upper esophageal sphincter)
(B)中食道括約肌(Middle esophageal sphincter)
(C)下食道括約肌(Lower esophageal sphincter)
(D)幽門括約肌(Pyloric sphincter)
答案:登入後查看
統計: A(10), B(2), C(54), D(38), E(0) #1275505
統計: A(10), B(2), C(54), D(38), E(0) #1275505