Question

If a muscle is given a series of shocks at a sufficient voltage so that all muscle fibers are activated, each evoked twitch will be successively stronger because:

Choose all that are correct
a. the antagonistic muscles become fatigued
b. more neurons become involved in propagating the signal
c. intracellular Ca2+ does not return to a baseline between twitches
d. the action potentials at the motor end plate develop higher amplitude

Answer 1

@Rushwr @Missiey