Sodium: normal values, pathological variations, roles.

Question 1

Sodium Normal concentration

Answer 1

136-145 mEq/L

Question 2

Sodium roles

Answer 2

• regulates blood pressure

• maintains body’s acid-base balance

• nerve transmission

Question 3

Sodium Pathological variations

Answer 3

1) Hyponatremia
• digestive disorders (diarrhea, vomiting)
•kidney disease
•hormonal disorders (aldosterone)

2) Hypernatremia
• excessive sodium
• insufficient water intake
• excessive elimination of H2O