Multiple Choice
The wrapping of a waxy sheath of protective myelin on neurons' axons tends to
A) shorten the neurons' lifespan.
B) change sensory neurons into motor-control neurons.
C) cause slippery physical movements of the axon.
D) increase the speed of nerve impulses in the axon.
Correct Answer:

Verified
Correct Answer:
Verified
Q50: Outline the typical developmental sequence of voluntary
Q51: Ralph is a lab rat that was
Q52: Deprivation dwarfism and failure to thrive are
Q53: A student tells a friend, "I can't
Q54: Sexual maturation in boys results from<br>A)observational learning
Q56: In developing countries where childhood illness is
Q57: Suppose that, over the past 100 years,
Q58: Contrast nonorganic failure to thrive and deprivation
Q59: The plasticity feature of brain action supports
Q60: Which factor of environmental experience exerts the