If the Length of the Absolute Refractory Period in Cardiac

Multiple Choice

If the length of the absolute refractory period in cardiac muscle cells was the same as it is for skeletal muscle cells, .

A) it would be less than 1-2 m
B) tetanic contractions might occur, which would stop the heart's pumping action
C) it would be much longer before cardiac cells could respond to a second stimulation
D) contractions would last as long as the refractory period