<prompt> A 35 year old, 70 kg female presents with sodium 160 mEqL. Calculate the free water deficit for this patient:5 L12 L1520 L  <response>: Approximate percentage water of total body mass. Patient Children 60 Non-elderly males 60 Non-elderly females 50 Elderly males 50 Elderly females 45 Water deficitTotal body water x current sodium -140140 TBWfemale 0.5 x weight 35 L for the patient mentioned in question Water deficit 35 x 160-140140 Water deficit 5 liters 