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Fluid Balance

Fluid and Electrolyte balance

Water moves toward higher region? Osmotic pressure
Renin-angiotensin-aldosterone Maintains normal blood volume at expense of IF Volume.
Intake must = ... Output
How does water leave the body? Breath, Urine, Feces, Skin
How does water enter the body? Intake (Swallow)and Cell Metabolism.
Chemical Structure of Plasma, IF and ICF helps ______ and _______ create homeostasis. Water and Electrolytes.
Primary Mechanics (6) Vomiting, diarrhea, Low BP, Sweating, Hyper Ventilation, Renin released.
Hydrostatic Pressure Forces fluid out of IF into the capillaries (Starling Law)
Blood Colloid Osmotic Pressure Draws blood from IF to capillaries. (starling Law)
Blood Hydrostatic Pressure Forces fluid out of capillaries into IF.
Starlings Law of Capillaries The physical laws of filtration and osmosis control mechanisms for water exchange between plasma.
Retention of electolytes (Na^+) in the ECF as a result of _______ secretion. Aldosterone
Fluid Imbalance Edema (Swelling)
Blood contains slightly ____ total Ions than IF Higher
Plasma and IF are __________ in chemical makeup. Nearly identical
Hypokalemia Low K levels.
Hyponatremia Low Na levels.
ICF Facilitates intracellular chemical reactions that maintain life.
_____ is water inside the cells. ICF
ICF %... ECF %... 66% 34%
_____ provides a constant environment for cells and transports to and from cells. ECF
ECF consists of... 1)_____ 2)_____ 3)_____ 1) Plasma 2)IF 3) Lymph, spinal, and joint fluid.
_____ makes up the internal environment of the body. ECF
Fluid content varies by... 1) 2) 3) 4) 5) 1) Age (Older = Low muscle mass) 2)Weight 3) Fat 4) Gender 5) Kidney function
% of water by total weight in a human body? 45%-75%
______ controls the movement of water between the body fluid compartments. Electrolytes
Important Cations (+) Na Mg Ca K
Important Anions (-) Cl HCO3 HPO4 Protein
K^+ is a major cation in _____ to maintain Os. pressure. ICF
______ is a major cation in ECF to maintain Os. pressure. Na^+
Ratio of H20 & electrolytes causes _____ if balance is off. Ademia
Osmosis High ----> Low pressure gradient.
Cation Positive Charge
Anion Negative Charge
______ is a nonelecrolyte glucose
Suspends solute in fluid. Causes (Allows) Os. pressure. Colloidal
_______ acts as a solute. Ions
_______ have a chemical bond that allow dissociation into ions, which have a charge. Electrolytes.
Created by: cmassie89