Normal excretion after major surgery

Following major surgery a young fit 70-kg man will normally excrete, in 24 h

(a) 500 ml water

(b) 30 mmol Naþ

(c) 10 mmol Kþ

(d) 20 mmol urea

(e) 10 mmol Cl_

(a) true (b) false (c) false (d) false (e) false