<prompt> A 32-yrs-old man visits you for a periodic health examination. He has no complaints at this time. He is 170 cm 5 ft 7 in tall and weights 75 kg. In this patient, the volumes of total body water, intracellular fluid, and extracellular fluid are, respectively.40L, 30L, 10L45L, 30L, 15L45L, 35L, 10L50L, 25L, 25L  <response>: Total body water TBW in liters equals approximately 60 of body weight in kilograms and therefore equals 45 L in a 75-kg person. Intracellular volume 23 of TBW and is therefore 30 L in this case. Extracellular volume 13 of TBW and is therefore 15 L in this case. 