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

question 117

Multiple Choice

What is the function of the sodium -calcium exchanger in cardiac muscle?

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

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