After a heart contraction, all of the following play a role in reducing the cytoplasmic Ca2+ concentration EXCEPT:

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Physiology Test Question

After a heart contraction, all of the following play a role in reducing the cytoplasmic Ca²⁺ concentration EXCEPT:

	(A) Sarcoplasmic/endoplasmic reticulum Ca²⁺ ATPase (SERCA)
	(B) Plasma membrane Na⁺/Ca²⁺ exchanger
	(C) Plasma membrane Ca²⁺ ATPase
	(D) Sarcoplasmic/endoplasmic reticulum Na⁺/Ca²⁺ exchanger

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Posted: Monday, December 29, 2014