An individual is stricken with an illness characterized by nausea,vomiting,and diarrhea.Over a 2-day period,this individual experiences a 3-kg loss in weight without a change in the plasma [Na+].What can be concluded about body fluid volumes and composition in this individual?
A)The volume of intracellular fluid (ICF)is increased. B)The volume of extracellular fluid (ECF)is reduced. C)The total body osmolar volume is increased. D)The plasma osmolality is reduced.