Answer Guide for Medical Nutrition Therapy: A Case Study ...

The loss of salt over a period of time exceeds the loss of water (a balance between the volume and composition of intake and the volume and composition of renal, G.I. and sweat losses) so that the tonicity of the body fluids diminishes (osmolarity less than 270 mOsm/kg; serum sodium less than 130 mEq/L). ................
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