1. A depolarizing current _________ the
membrane potential relative to resting potential, and can in
principle be carried ________.
A. raises (makes it less negative); only by cations
B. lowers (makes it more negative); by cations or anions
C. raises (makes it less negative); by cations or anions
D. lowers (makes it more negative); only by cations
2. Myelination increases conduction velocity of action
potentials by ________ the length constant, ____________ the
distance over which local passive current flow can effectively...