In a healthy man who weighs 70 kg, the total body water is approximately:

Correct option is C

Ans. (c) 42 liters Sol. Total body water in a healthy adult male is about 60% of body weight. For a 70 kg man: 70 × 0.6 = 42 liters of water approximately.
Explanation of each option:
· (a) 22 liters – Too low; would indicate severe dehydration.
· (b) 32 liters – Below average for a healthy adult male.
· (c) 42 liters – Correct. About 60% of body weight.
· (d) 52 liters – Higher than typical for a 70 kg individual.