Fluid & Balance NURS 331
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104 Terms
What is the most prevalent electrolyte of the ICF?
Potassium
What is the most prevalent electrolyte(s) of the ECF?
Na+ and & Cl-
2/3 of body water is located in (ECF/ICF).
2/3 ICF, 1/3 ECF
Older adults are more prone to dehydration. Why?
Because they lose skeletal muscle mass, which is where we store a lot of body water.
T/F: Since potassium is lipid-soluble, it can easily pass throuhg the cell membrane.
F, K+ needs a pump like NaK ATPase.
What is the pulling force towards BS?
Colloidal osmotic pressure
What is the pushing force?
Hydrostatic pressure
What does RAAS regulate?
Regulates Na+ and H2O.
What is RAAS stimulated by?
Low blood pressure (low blood volume), changes in Na
Who is the antithesis to RAAS?
BNP — excrete sodium and water.
Your patient has a poor appetite. They are also losing fluids excessively from diarrhea. Would this cause hypo or hypervolemia?
Hypovolemia.
A person has uncontrolled diabetes