Rolandito touched a hot radiator and instantly pulled his hand away. the neurons responsible for this protective reflex are the

Sensory neurons

Motor neurons

Interneurons

Explanation:

Sensory neurons transfer signals from the outside body (periphery) into the central nervous system, so it alert us that something is happening in your outer body part such as when something burnt you or pinches you. Motor neurons (motoneurons) transfer signals from the central nervous system to the outside body such as your muscles, skin, glands.

Interneurons connect various neurons within the brain and spinal cord.