In which of the following would the rate of impulse conduction be the greatest?
A) a myelinated fiber of 10-µm diameter
B) a nonmyelinated fiber of 20-µm diameter
C) a myelinated fiber of 1-µm diameter
D) a nonmyelinated fiber of 10-µm diameter
E) It would be the same in all because of the all-or-none principle.
A
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