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4 Cards in this Set
- Front
- Back
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Composition of body fluids
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- 42L of fluid, 60% of body weight
- 2/3 is intracellularly - 1/3 is extracellularly - Lean muscle is 75% water, blood is 83%, fat is 25% water |
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Components of ECF?
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- 33% of TBW, 14L
- 9L interstitial (extracascular) - 4L plasma - 1L transcellular fluid (CSF, digestive juices, mucus) - Na+: 142mEq in plasma, 144mEq in interstitial fluid - Cl- : 103mEq in plasma, 114mEq in interstitial fluid |
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Components of intracellular compartment?
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- 42% of body mass (28L), 2/3s of TBW
- K+ (3000 mEq), 150mEq/L - PO4--- Fat: 25% of body mass |
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Daily water and electrolyte balance?
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- Minimum urine output: 0.5mL/kg/hr, 840mL a day for a standard 70kg male
- Oral intake: 800-1500mL - Solid intake: 500-700mL - Urine output: 800-1500mL - Output through lungs and skin: 800-1000mL |
