Efferent neurons are motor neurons that carry signals to the brain. In case of an issue with efferent neurons, there will be problems related to ataxia and tremors. Thus, options d and e are correct.
What are ataxia and tremors?
Ataxia is a disorder that relates to balance and coordination. Similarly, tremors are shaky movements that are related to muscle contractions.
The issue in the efferent neurons causes weakness in motor activities that leads to ataxia and tremors as they are directly related to the activities of coordination and will hinder movements.
Therefore, ataxia and tremors are seen in case of an issue with efferent neurons.
Learn more about efferent neurons here:
https://brainly.com/question/17313227
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