Question 3

(Multiple Choice)

The axon membrane responds to an intracellular injection of a subthreshold positive current with:


A)Transient depolarization only in the region where the current is injected.
B)Maintained depolarization until negative current is injected.
C)Maximal depolarization locally and attenuated depolarization along the axon.
D)Immediately opening K+ channels to maintain resting potential.
E)Firing an action potential.

Answer

C