Fluid and Electrolytes Flashcards
Electrolytes
Na, K, Cl, HCO3, Mg, Ca
Non-electrolytes
Glucose, urea, creatinine
Women and obese people have ____ body water
Less
Average balanced input and output
2500 ml
Values of average intake, content of food, and by products of metabolism
1300 ml, 1000 ml, 200 ml
Insensible fluid output
Skin, lungs, sweat, feces ~ 1000 ml
Sensible fluid output
~ 1500 ml (golden rule = 1 ml/kg/hour)
Urine is ____ solutes
5%
Breakdown of amino acids
Urea
Helps regenerate ATP, more in skeletal muscles
Creatinine
Breakdown of purines
Uric acid
Urine specific gravity, well hydrated
< 1.010
Specific gravity, minimal dehydration
1.010 - 1.020
Specific gravity, significant dehydration
1.021 - 1.030
Specific gravity, serious dehydration
> 1.030
Normal hct value
42-52% M, 35-47% W
Normal BUN
10-20 mg/dL
Normal creatinine
0.7-1.4 mg/dL
Normal serum osmolarity
275-295 mOsm/kg
Normal specific gravity
1.010 - 1.025
Controls and regulates volume of body fluids (extracellular)
Sodium
Chief regulator of cellular enzyme activity and water content (intracellular)
Potassium
Nerve impulse, blood clotting, muscle contraction, B12 absorption
Calcium
Metabolism of carbs and proteins, vital actions involving enzymes (IC)
Magnesium