Question

any nerve cell that conducts a signal towards the spinal cord/brain is called
an interneuron.
a motor neuron.
an efferent neuron.
a sensory/afferent neuron.

Explanation:

Interneurons transmit signals between neurons in the central nervous system. Motor/efferent neurons carry signals away from the brain/spinal cord to muscles/glands. Sensory/afferent neurons conduct signals from the body to the brain/spinal cord, matching the question's description.

Answer:

a sensory/afferent neuron.