The all-or-none law refers to the fact that:
A) the myelin sheath either completely covers an axon or it does not.
B) the resting potential occurs only when the neuron is completely depolarized.
C) either the neuron is sufficiently stimulated and an action potential occurs or it is not sufficiently stimulated and the action potential does not occur.
D) a neurotransmitter is completely reabsorbed by the presynaptic neuron or it is dissolved in the synaptic gap.
Correct Answer:
Verified
Q37: The cell body of a neuron:
A)provides the
Q38: The analogy used in the book referred
Q39: Information is transmitted along the axon:
A)by glial
Q40: Multiple sclerosis is a disease that involves:
A)the
Q41: Which of the following BEST defines a
Q43: The graph shows the changing electrical charge
Q44: An action potential occurs when:
A)sodium ions enter
Q45: The electrical charge of a neuron when
Q46: Synaptic vesicles contain:
A)hormones.
B)ions.
C)neurotransmitters.
D)receptors.
Q47: Which of the following is TRUE regarding
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