If a neurologist tests an adult patient for infant reflexes, the neurologist is probably trying to determine whether the person has suffered damage to the:

Question

Quizplus · Accepted Answer

Infant reflexes are controlled by the brainstem and spinal cord, not the cerebral cortex. Testing for these reflexes in an adult may be used to determine if there is damage to the brainstem or spinal cord.

Answer: D 
 While infant reflexes are primarily controlled by the brainstem and spinal cord, the cerebellum also plays a role in coordinating motor movements. Testing for these reflexes in an adult may be used to determine if there is damage to the cerebellum.

Therefore, either A or D can be the best choice depending on the specific reason for testing the reflexes.

If a Neurologist Tests an Adult Patient for Infant Reflexes