What is the concentration of Na+ ion in extracellular fluid?
সঠিক উত্তরঃ
C.
142 mmol/L
Explanation: Remember: Concentration at normal level: Extracellular fluid: Na+→142 mmol/L;K+→4 mmol/L;
Intracellular fluid: Na+→10 mmol/L;K+→160 mmol/L
[Gazi Azmal Sir: Edition-2022, Page-264]