Normal healthy young adults can tolerate loss of half of their

A. True Normal function can be maintained with one kidney.

B. True Though maximum exercise tolerance is reduced, considerable exertion is possible.

C. True The platelet count must fall by more than 75 per cent before bleeding problems arise.

D. True Infertility is unlikely unless the count falls to around a quarter of the normal value.

E. True In short, most body functions carry at least a 50 per cent reserve in the young adult.