Cranial Nerves

Which cranial nerves are sensory only?

• Olfactory I, Optic II and Vestibulocochlear VIII

• Oculomotor III, Trochlear IV, Abducens VI, Accessory XI and Hypoglossal XII

• Trigeminal V, Facial VII, Glossopharyngeal IX and Vagus X

Which cranial nerves are motor only?

• Olfactory I, Optic II and Vestibulocochlear VIII

• Oculomotor III, Trochlear IV, Abducens VI, Accessory XI and Hypoglossal XII

• Trigeminal V, Facial VII, Glossopharyngeal IX and Vagus X

Which cranial nerves are mixed?

• Olfactory I, Optic II and Vestibulocochlear VIII

• Oculomotor III, Trochlear IV, Abducens VI, Accessory XI and Hypoglossal XII

• Trigeminal V, Facial VII, Glossopharyngeal IX and Vagus X

CN I

• Vagus nerve
• Trigeminal nerve
• Olfactory nerve
• Optic nerve

CN II

• Olfactory nerve
• Optic nerve
• Trigeminal nerve
• Facial nerve

CN III

• Trigeminal nerve
• Oculomotor nerve
• Facial nerve
• Hypoglossal nerve

CN IV

• Optic nerve
• Trigeminal nerve
• Facial nerve
• Trochlear nerve

CN V

• Optic nerve
• Vagus nerve
• Trigeminal nerve
• Facial nerve

CN VI

• Facial nerve
• Trigeminal nerve
• Abducens nerve
• Optic nerve

CN VII

• Vagus nerve
• Trigeminal nerve
• Facial nerve
• Optic nerve