Multiple Choice
Propagation of an action potential along an axon is dependent on a(n) :
A) Complete myelination of the axon by glial cells.
B) Anterograde diffusion of the electric potential with active generation of new potentials.
C) Rapid repolarization associated with passive diffusion of Cl-.
D) Retrograde diffusion of the electrical potential.
E) Na⁺/K⁺ pump moving sufficient quantities of Na⁺ into of the cell and K⁺ out of the cell.
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Demyelination of an axon:<br>A)Results in decreased membrane
Q5: Peripheral demyelination:<br>A)Typically affects small diameter axons before
Q6: Local potentials:<br>A)Are either receptor or synaptic potentials.<br>B)Spread
Q7: The strength of local electrical potentials is
Q8: Glial cells contribute which of the following?<br>A)Communication
Q10: Which of the following is the structural
Q11: Which one of the following is not
Q12: Pseudounipolar cells:<br>A)Have two dendrites<br>B)Have two somas<br>C)Are not
Q13: The nodes of Ranvier:<br>A)Are distributed approximately every
Q14: The resting membrane potential is:<br>A)The same as