Q.

For cardiac muscle, which is FALSE?

A. HERG really is the acronym for human ether-a-go-go related gene
B. intercolated discs are calcified structures within cardiac muscle cells
C. resting membrane potential is -90mV
D. cardiac muscle requires continuous supply of O2 to function
E. cardiac muscle action potential time decreases with increasing heart rate
Answer» B. intercolated discs are calcified structures within cardiac muscle cells
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