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3 Cards in this Set
- Front
- Back
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Body fluids |
A. water is the most abundant body compound 1. References to average body water volum eis based on a healthy, nonobese, 70-kg male. 2. water is 60% of body weight in males; 50% in females 3. Volume averages 40 liters in a 70-kg male
B. Variation in total body water is realted to 1. total body weight of the individual 2. fat content of body- the more fat, the less water 3. gender- female body has about 10% less water than a male body 4. age- in a newborn infant, water may accoutn for 80% of total body weight. In the elderly, water per pound of weight decreases |
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Body fluid compartments |
A. Two major fluid compartments 1. extracellular fluid (ECF) a. Types q. plasma 2. interstitial fluid 3. transcellular fluid- lymph; joint fluids; cerebrospinal fluid; eye humors b. called internal environment of body c. surrounds cells and transports substances to and from them
2. intracellular fluid a. largest fluid compartment b. located inside cells c. serves as a solvent to facilitate intracellular chemical reactions |
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Fluid imbalances |
A. Dehydration- total volume of body fluids less than normal; IF voluem shrinks first, and then if treatment is nto give, ICF volume and plasma volume decreases; dehydration occurs when fluid output exceeds intake for an extended period
B. overhydration- total volume of body fluids greater than normal; overhydration occurs when fluid intake exceeds output |
