試題詳解

73. Diabetes insipidus is a disorder marked by production of abnormally large in volume and very dilute urine. It can cause severe dehydration. The mechanism(s) attributing the disorder can be
(A) mutations that prevent ADH production
(B) mutations that inactivate aquaporin
(C) mutations that inactivate insulin receptor
(D) both A and B
(E) all of the A, B, and C