Review System for Neurological Questions Related

Review Review System for Neurological Questions related questions and content

Regarding the cranial nerves

  • A. The trigeminal nerve is purely sensory
  • B. The abducens nerve traverses the foramen lacerum
  • C. The trochlear nerve supplies the superior oblique muscle only
  • D. The hypoglossal nerve exits the skull through the foramen magnum
Correct Answer: C

Rationale: The trochlear nerve (IV) innervates only the superior oblique muscle, which depresses and abducts the eye. It is the only cranial nerve that exits dorsally from the brainstem.