NFS284H1 Lecture Notes - Goitre, Fluoride, Heme
Document Summary
Hyponatremia is that too much water dilutes the sodium in our system. This is a result of excessive sweating during prolonged exercise because we lose salt in our sweat. If you just replace the water and don"t replace the salt, you dilute the sodium in the blood, which changes the osmotic pressures. Most canadians consume above the ul of sodium. We can conclude that many canadians are not consuming at the level of the ai. In less processed foods, it is mostly potassium and barely any sodium. In more processed foods, the ratios start to change. The same amount of potassium is present, but there is even more sodium. How do these ratios affect our health (e. g. , blood pressure). K+ sits on the inside of the cell. Na+ sits on the outside of the cell. When the kidney senses the increase in blood pressure, then the kidney down regulates the whole system.
