Which of the following is NOT an essential component of a reflex arc?
A) sensory receptor
B) afferent (sensory) neuron
C) spinal pathway
D) efferent (motor) neuron
E) effector organ

Question

Quizplus · Accepted Answer

A reflex arc typically consists of a sensory receptor, an afferent neuron, an efferent neuron, and an effector organ. The spinal pathway is not considered an essential component of a reflex arc, as reflex arcs can function with direct connections between neurons in the spinal cord or brainstem without the need for a distinct pathway within the spinal cord.

Which of the Following Is NOT an Essential Component of a Reflex