Total body water, expressed as a percentage of body weight

 A. True    D2O (heavy water) exchanges with water in all body fluid compartments.

B. True     Women carry relatively more fat than men and fat has a low water content.

C. True     ADH in the extracts inhibits water excretion by the kidneys.

D. False    It rises as fat stores are metabolized to provide energy.

E. True    70 per cent, the percentage in the lean body mass, is about the maximum per cent possible.