A neuron in a cat's leg was stimulated electrically.The only reaction was a contraction of some muscle in the same leg.The neuron was most likely
A)afferent or sensory only.
B)efferent or motor only.
C)both motor and sensory.
D)an interneuron.
E)None of the choices is correct

Question

Quizplus · Accepted Answer

The fact that the only reaction was a contraction of some muscle in the same leg indicates that the neuron is responsible for sending motor signals to the muscle, not for sensing or receiving information. Therefore, the neuron is most likely efferent or motor only.

A Neuron in a Cat's Leg Was Stimulated Electrically