Cranial Nerve I. Olfactory II. Optic III. Oculomotor IV. Trochlear V. Trigeminal Sensory Yes Yes No No Yes Motor No No Yes Yes Yes Function Smell Vision Eye movement and pupil control Eye movement (superior oblique) Sensation of face and anterior tongue Motor for muscles of mastication VI. Abducent VII. Facial No Yes Yes Yes VIII. Vestibulocholear IX. Glossopharyngeal Yes Yes No Yes X. Vagus Yes Yes XI. Accessory XII. Hypoglossal No No Yes Yes Eye movement (lateral rectus) Taste on anterior 2/3 tongue Motor for muscles of facial expression Secretion for salivary glands (sublingual and submandibular) and lacrimal gland Hearing and Equilibrium Taste/sensation posterior 1/3 tongue Secretion from parotid salivary gland; motor activity stylopharngeus muscle Sensation of thoracic and abdominal viscera Motor activity for swallowing; regulation of heart rate, breathing, GI activity Motor for Trapezius and SCM Motor for muscles of the tongue