Fluid And Electrolyte Imbalances

Question 1

Water balance

Answer 1

Determined by osmotic gradients established by sodium concentrations

Question 2

Sodium Balance

Answer 2

Sodium accounts for 90% of ECF cations

Question 3

What are the functions of Sodium Balance?

Answer 3

Maintains extracellular osmolarity

Maintains resting membrane potential and required for depolarization

Question 4

Isotonic alterations on water and sodium balance

Answer 4

Fluid overload-administration of intravenous normal saline solutions

Hypovolemia-hyposecretion of aldosterone