This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Oxygen, glucose -> into cells 3. Carbon Dioxide, nitrogenous wastes-> out of cells 4. ECF <====> ICF depends on NaCl in the ECF II. Water Balance A. Overview of Water Balance 1. intake - 90% ingested water; 10% metabolic water 2. output - 60% urine; 28% lungs/skin (mucosa); 12% sweat/feces 3. water need - trigger thirst & release of ADH B. The Thirst Mechanism Fluid, Electrolyte, Acid/Base Balance decrease in plasma volume OR increase in osmolarity excitation of hypothalamic thirst center sensation of thirst C. Regulation of Water Output 1. obligatory water loss - lungs, sweat, feces 2. regulation of water - kidneys (ADH -> Na + ) D. Disorders of Water Balance 1. dehydration - water loss -> water intake a. bleeding, burns, sweating, diuretics 2. hypotonic hydration - too much water or Na + 3. edema - accumulation of water in interstitial space...
View Full Document
- Fall '10