In order for a neuron to move from the absolute to the relative refractory period, a majority of that neuron’s sodium channels must have their:
Q1. In order for a neuron to move from the absolute to the relative refractory period, a majority of that neuron’s sodium channels must have their:
Select one:
a) inactivation gates open
b) activation gates closed
c) inactivation gates closed
d) activation gates open and inactivation gates closed
Q2. Which of the following is NOT true of graded potentials?
Select one:
a) They are produced after the binding of neurotransmitter to receptor
b) they will decrease in magnitude as the current flows away from the initial site
c) they are produced at chemically-gated ion channels
d) they are limited in duration by the refractory period of the membrane
