Neural Control and Coordination Question 9
9. The most abundant intracellular cation is :
(a) $Ca^{++}$
(b) $H^{+}$
(c) $K^{+}$
(d) $Na^{+}$
Show Answer
Answer : c
Hints & Solutions
(c) The most abundant intracellular cation is $K^{+}$. Potassium plays an important role in regulation of cellular electrolyte metabolism, electric signaling in cells, transport of essential nutrients, and enzymatic analysis. In alliance with other (i.e., sodium and chloride ions), it contributes to overall electrolyte balance of virtually all living organisms.
