Demyelination of an axon:
A) Results in decreased membrane resistance,allowing a leakage of electrical current.
B) Results in slowed propagation of action potentials.
C) May prevent propagation of action potentials.
D) Both A and B
E) A,B,and C
Correct Answer:
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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
Q13: The nodes of Ranvier:
A)Are distributed approximately every
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
Q19: Peripheral demyelination:
A)Typically affects small diameter axons before
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