Cranial Nerve Functions| Questions with 100% correct Answers | Verified

1. Olfactory nerve - SENSORY function is olfaction ,smell. No motor function II. Optic nerve - SENSORY function is visual. No motor function III. Oculomotor nerve - Primarily MOTOR in function, act to deliver motor impulses to four of the six extrinsic eye muscles: 1. medial rectus, 2. superior rectus, 3. inferior rectus, and 4. inferior oblique. Also contains parasympathetic nerve fibers. IV. Trochlear nerve - Primarily MOTOR in function, acts to deliver motor impulses to another extrinsic eye muscle, superior oblique 5. Trigeminal nerve - MIXED NERVE: Major SENSORY nerve of face, conveying somatosensory information. MOTOR function is innervation of the muscles of mastication, chewing, such as masseter and temporalis VI. Abducens nerve - primarily MOTOR in function, acts to innervate last extrinsic eye muscle, lateral rectus, as name implies, it abducts the eye VII. Facial nerve - MIXED NERVE: major SENSORY function is to convey taste information from anterior 2/3 of the tongue. major MOTOR nerve of face, controlling most of facial muscles, except chewing muscles. Also contains parasympathetic nerve fibers VIII. Vestibulocochlear nerve - SENSORY function is to deliver auditory information from cochlea of inner ear, and to deliver equilibrium information from the other parts of the inner ear. This sensory input permits hearing and balance; no major motor function IX. Glossopharyngeal nerve - MIXED NERVE: