LAB - Overview of Electrolytes Flashcards
1
Q
What is the main function of electrolytes?
A
Maintain osmotic balance, acid-base balance, and neuromuscular activity
2
Q
What are the major extracellular electrolytes?
A
Sodium, chloride, calcium
3
Q
What are the major intracellular electrolytes?
A
Potassium, magnesium, phosphate
4
Q
Which hormone is primarily responsible for sodium and potassium regulation?
A
Aldosterone
5
Q
What is the main role of the Na⁺-K⁺ ATPase pump?
A
Maintain sodium outside the cell and potassium inside
6
Q
Which condition results from a sodium-to-potassium imbalance?
A
Hyponatremia or hyperkalemia
7
Q
What is the unit of measurement for electrolytes in clinical chemistry?
A
mmol/L or mEq/L
8
Q
What common laboratory method is used for all three electrolytes?
A
Ion-Selective Electrode (ISE)
