In cardiac muscle, which of the following work to remove calcium from the intracellular fluid? Select...

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Medical Sciences

In cardiac muscle, which of the following work to remove calciumfrom the intracellular fluid? Select one: a. Only the L-type Ca++channel in the T tubules b. Only the Ca++ pump on the sarcoplasmicreticulum c. Only the Na+, Ca++ exchangers on the cell membrane d.Both the Ca+ pump and Ca++, Na+ exchanger.
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1In cardiac muscle which of the following work to remove calcium from the intracellular fluid Answer dBoth the Ca pump and Ca Na exchanger Explanation In cardiac musclethe L type of the Ca channel in T tubules allows the influx of calcium at the sarcolemma when action potential is at plateau Then intracellular calcium interact with the troponin and then configurational chnage in troponintropomyosin occurs See Answer

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