Which description applies to hinge joints? a. allows for a wide range of movement and rotation b. allows back-and-forth and side-to-side movement but limited rotation c. allows for side-to-side movement but limited rotation d. allows for simple angular movement

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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