試題詳解

17.腎前因性(prerenal)腎衰竭時,下列尿中係數指標何者正確?
(A) Osmolality ＞500 mOsm/Kg H2O, Na ＜20 mEq/L
(B) Osmolality ＜500 mOsm/Kg H2O, Na ＞40 mEq/L
(C) Osmolality ＞500 mOsm/Kg H2O, Na ＞40 mEq/L
(D) Osmolality ＜500 mOsm/Kg H2O, Na ＜20 mEq/L
(E) Osmolality ＜500 mOsm/Kg H2O, Na ＞50 mEq/L