Stimulation of a peripheral receptor is conveyed to the cell body of a primary neuron located in which one of the following?
A. Nucleus gracilis
B. Nucleus cuneatus
C. Dorsal root ganglion
D. Fasciculus gracilis
E. Fasciculus cuneatus
ANS: C
Rationale: Stimulation of a receptor at the distal end of a primary peripheral neuron is conveyed to the cell body in the dorsal root ganglion. The proximal axon then ascends in the ipsilateral dorsal columns of the spinal cord in either the fasciculus gracilis or fasciculus cuneatus, synapsing with second-order neurons in the nucleus gracilis or cuneatus of the medulla.
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