NFS284H1 Lecture Notes - Lecture 9: Water Intoxication, Xerostomia, Hyponatremia

• School: UTSG
• Department: Nutritional Science
• Course: NFS284H1
• Professor: Debbie Gurfinkel

Document Summary

Electrolytes, sodium, potassium, chloride, water balance, water comes from. Food: drink, metabolism, water is lost as, urine, evaporation. Fluid needs for physical activity: dehydration- decrease in blood volume, energy and nutrient needs for physical activity, prolonged exercise > 4 hours. Sodium is lost when there is prolonged sweating. If sodium is not replaced but instead an individual drinks a lot of water, this results in low levels of sodium in blood. Fluid from blood enters tissues- can cause swelling of brain: can cause disorientation, seizure, coma, death.