A person quickly pulls their hand away after touching a hot surface. Which sequence correctly describes the pathway of the reflex arc?

• A. Motor neuron → sensory receptor → spinal cord → interneuron
• B. Sensory receptor → sensory neuron → interneuron → motor neuron
• C. Brain → motor neuron → sensory neuron → muscle
• D. Sensory neuron → brain → motor neuron → spinal cord

Answer: (B)