The nodes of Ranvier:
A) Are distributed approximately every 1 to 2 millimeters (mm) along the membrane of the cell axon.
B) Contain a high density of modality-gated K⁺ channels for rapid depolarization of the membrane.
C) Contain a high density of voltage-gated Na⁺ channels for rapid repolarization of the membrane.
D) Have low membrane capacitance,preventing the accumulation of electrical charge.
E) Are heavily myelinated,which allows for rapid diffusion of an electrical potential.
Correct Answer:
Verified
Q8: Which one of the following neuron structures
Q9: The resting membrane potential is:
A)The same as
Q10: Depolarization occurs when:
A)The membrane potential becomes less
Q11: Which one of the following is an
Q12: Guillain-Barré syndrome:
A)Involves demyelination of peripheral axons.
B)Results from
Q14: Glial cells contribute which of the following?
A)Communication
Q15: Pseudounipolar cells:
A)Have two dendrites
B)Have two somas
C)Are not
Q16: Retrograde transport:
A)Recycles substances from the axon back
Q17: Which of the following change the electrical
Q18: Demyelination of an axon:
A)Results in decreased membrane
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