Electrolyte Composition Of Fluid Compartments Flashcards
1
Q
What ions are the most abundant extracellular ions?
A
Sodium
Pivotal role in fluid and electrolyte balance because it accounts for half of the osmotic pressure of the ECF.
2
Q
What are the major extracellulr anions?
A
Chloride
3
Q
What are the most abundant cations in the intracellular fluid?
A
Potassium ions
Controlled mostly by aldosterone
Key role in resting membrane potentials
4
Q
What is the most abundant mineral of the body?
A
Calcium
Controlled mainly by parathyroid hormone and calcitrol
