Cranial Nerves
The patient has the following symptoms: change in vocal tone, problems swallowing, inability to control urination, erratic heart rate, and gastric problems. You would identify the problem as being related to the
vagus nerve.
Difficulty in swallowing may be a sign of damage to which cranial nerve(s)?
glossopharyngeal and vagus
Which sensation(s) does the vestibulocochlear nerve carry?
hearing and equilibrium
A patient develops a tumor of a cranial nerve that leads to difficulty in speaking from a loss of tongue movement. Which cranial nerve is affected?
hypoglossal
Which of the following symptoms would you associate with damage to the spinal accessory nerve?
weakness of the sternocleidomastoid muscle
The optic nerve crosses at the
optic chiasm
You suspect your friend has damage to cranial nerve I when he is unable to
smell his food
The cranial nerve that has three major branches is the
trigeminal
Swallowing, speech, regulation of viscera (organs)
Nerve X
Motor only head, neck, and shouldere movements
Nerve XI
Tongue movements for food manipulation and swallowing
Nerve XII
Trigeminal Nerve
V
Abducens Nerve
VI
Facial Nerve
VII
Vestibulochochlear Nerve
VIII
Motor to eye, moves eye down/ medially
Nerve IV
Swallowing, salivation, gagging, control of blood pressure
Nerve IX
Sensory to face: touch, pain, temperature Motor: muscles of mastication
Nerve V
Motor to eye, abducts/ laterally roatets
Nerve VI
Sensory: taste Motor: muscles of the face
Nerve VII
equilibrium and hearing
Nerve VIII
Olfactory Nerve
I
Optic Nerve
II
Oculomotor Nerve
III
The cranial nerves that innervate the eye muscles are
III, IV, and VI.
Trochlear Nerve
IV
Glossopharyngeal Nerve
IX
Smell and has sensory fibers only
Nerve I
Vision, damage causes blindness, has sensory fibers only
Nerve II
Motor to eye, open eyelids and helps to focus.
Nerve III
Vagus Nerve
X
Which of the cranial nerves is named for the fact that it "wanders," that is, innervates structures throughout the thorax and abdomen?
X
Accessory Nerve
XI
Hypoglossal Nerve
XII
Sensory innervation of the lower teeth and gums is by the ________ nerve.
mandibular branch of the trigeminal
