What are nodes of Ranvier?
A) Myelin sheaths around the axon
B) A long process that carries electric signals in a neuron
C) Gaps on axons in between myelin sheaths
D) Dark-staining rough endoplasmic reticulum in neurons
Correct Answer:
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Q11: Motor signals are sent by the brain
Q12: The spinal cord is part of the
Q13: The motor division is also called the
Q14: Which cell type sends electrical signals?
A)Neuron
B)Neuroglial cell
C)Neurons
Q15: A sensory neuron carries impulses
A)to muscles and
Q17: A bundle of parallel axons in the
Q18: Within the peripheral nervous system,the myelin sheath
Q19: Which of the following contains the nucleus?
A)Axon
B)Dendrite
C)Cell
Q20: An interneuron carries impulses
A)to muscles and glands.
B)to
Q21: A very strong stimulus produces a larger
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