The conduction velocity of two neurons was compared.The action potential was conducted much faster in Neuron A than in Neuron B.These data suggest that:
A) Neuron A is shorter than Neuron B.
B) Neuron B must possess a myelin sheath.
C) Neuron B is found in the spinal cord.
D) Neuron A possesses a myelin sheath.
Correct Answer:
Verified
Q65: If an antagonist blocks an autoreceptor,neurotransmitters are:
A)increased.
B)blocked.
C)metabolized.
D)reuptaked.
Q70: When vesicles fuse with the presynaptic membrane,_
Q71: During synaptic transmission,_ would cause the ion
Q72: Exocytosis is initially triggered by:
A)the synapse.
B)enzymes.
C)neurotransmitters.
D)the action
Q73: Neurogenesis refers to:
A)formation of new neurons.
B)rejuvenation of
Q76: When ion channels open along the presynaptic
Q77: The two main categories of monoamines are:
A)acetylcholine
Q78: Neurotransmitters are stored in the:
A)presynaptic terminal.
B)postsynaptic terminal.
C)soma.
D)dendrites.
Q79: Autoreceptors also function to:
A)enhance synthesis and release
Q80: A single neuron may have many _
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