What is the function of the sodium- calcium exchanger in cardiac muscle?
A)depolarize the cell
B)remove calcium from the cytosol by transporting it to the extracellular fluid thereby relaxing the muscle
C)trigger the release of calcium from the sarcoplasmic reticulum
D)interact with troponin to initiate cross- bridge cycling
E)remove calcium from the cytosol by transporting it into the sarcoplasmic reticulum

Question

Quizplus · Accepted Answer

The sodium-calcium exchanger in cardiac muscle primarily functions to remove calcium from the cytosol by transporting it to the extracellular fluid, which helps in muscle relaxation.

What Is the Function of the Sodium- Calcium Exchanger in Cardiac