A neurologist is teaching the staff about motor neurons. Which structural classification identifies motor neurons?
a. Unipolar
b. Pseudounipolar
c. Bipolar
d. Multipolar
ANS: D
A motor neuron is typically multipolar. Unipolar neurons are found in the retina. Pseudounipolar neurons have one process; the dendritic portion of each of these neurons extends away from the CNS, and the axon portion projects into the CNS. Bipolar neurons are found in the eye.
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