Myelinated axons are useful because they
A) prevent saltatory conduction.
B) decrease the number of nodes of Ranvier.
C) allow action potentials to travel more quickly.
D) are less likely to reach the firing threshold.
Correct Answer:
Verified
Q23: Excitatory synapses
A) force negatively charged ions into
Q24: Action potentials travel at speeds
A) near the
Q25: All of the following are reasons action
Q26: A neuron's refractory phase is defined as
Q27: The key purpose of myelin is to
A)
Q29: The fastest-traveling action potential would be found
Q30: White matter refers to
A) brain regions filled
Q31: Otto Loewi electrically stimulated a nerve in
Q32: _ activate receptors in the same way
Q33: Cici is trying to overcome her heroin
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