.1. Where are most graded potentials produced in a neuron?
a. In dendrites only
b. In both the dendrites and cell body
c. In axon terminals only
d. In both dendrites and axon terminals
2. During an action potential in a neuron, all voltage-gatedsodium ion channels close
a. At the end of phase 1.
b. At the end of phase 2.
c. At the end of phase 3.
d. In the middle of phase 3.
