Cardiac muscle cannot be tetanized because of :
a. the presence of high intercellular Ca ions
b. the presence of high K ions
c. cardiac muscle is absolutely refractory
during part of cardiac cycle
d. cardiac muscle is absolutely refractory
during most of cardiac cycle
the correct answer is
d. cardiac muscle is absolutely refractory during most of cardiac cycle
D is the correct answer
Yeah D is the rite answer...
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