Ca₂+ Exit from Sm Ooth Muscle Cells is Accomplished Through

Question

Ca2+ exit from sm ooth muscle cells is accomplished through
A) SERCa2a
B) R yR
C) NCX, sodium-calcium exchange
D) IP3R
E) Voltage-gated Ca2+ ch an ne ls

Accepted Answer

Calcium exit from smooth muscle cells is primarily facilitated through the sodium-calcium exchange mechanism (NCX), which uses the electrochemical gradient of sodium entering the cell to export calcium ions out of the cell, thus helping in the regulation of intracellular calcium levels.