Nurs 2270 PathoPhysiology - Fluid & ElEctrolytEs NEwEst Exam
2026 with multiPlE choicE oF QuEstioNs aNd dEtailEd solvEd
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2 Compartments of Body Fluid - ANSWER-Intracellular Fluid and Extracellular
Fluid
Intracellular Fluid - ANSWER-Comprises all the fluid contained within the
cells.
Extracellular Fluid - ANSWER-Comprises all the fluid outside the cells
including interstitial fluid (the space between cells and outside blood
vessels) and intravascular fluid (blood plasma).
Total Body Water (TBW) - ANSWER-Sum of fluids within all compartments.
Decreases with age as there is an increase of body fat.
Standard Value of TBW - ANSWER-60% of a 70kg adult male (42 liters)
Intracellular - 64%
Interstitial - 25%
Intravascular Plasma - 8%
Most abundant ECF ion - ANSWER-Na
