試題詳解

58. Which of the following correctly describes a case of osmoregulation?

(A) secretion of drugs and reabsorption of nutrients by the proximal tubule

(B) discharge of excess water in a hypoosmotic environment

(C)excretion of salt in a hypoosmotic environment

(D)expenditure of energy to convert ammonia to less toxic wastes

(E) body fluids that are isoosmotic with the external environment