Cranial Nerves Quiz

Ace your homework & exams now with Quizwiz!

CN III is the ________________ nerve.

Oculomotor

CN II Optic Nerve travels through the ________________ before reaching the primary visual cortex.

Thalamus

Cranial nerve nuclei are numbered (top-down/bottom-up).

Top-down

CN V is the ________________ nerve.

Trigeminal

CN IV is the ________________ nerve.

Trochlear

The lower face has (bilateral/unilateral) innervation.

Unilateral

CN ___ ________________ Nerve innervates the muscles of mastication and allows us to open and close the mandible, playing a role in speech.

V Trigeminal

CN ___ ________________ Nerve is composed of 3 divisions of fibers: Ophthalmic, Maxillary, and Mandibular.

V Trigeminal

CN ___ ________________ Nerve is is responsible for touch, pain, and vibration for the face, mouth, and anterior 2/3 of the tongue.

V Trigeminal

Damage to CN ___ ________________ Nerve can result in loss of sensation of the face and difficulty chewing.

V Trigeminal

CN ___ ________________ Nerve is a motor nerve that controls eye movement and rotates the eyes out.

VI Abducens

Damage to the CN ___ ________________ Nerve can be seen as only one eyeball rotating when asking a patient to look either left or right.

VI Abducens

CN ___ ________________ Nerve has a parasympathetic function in the salivary glands to produce saliva to help chew and swallow food.

VII Facial

CN ___ ________________ Nerve innervates the muscles of the face and is responsible for facial expressions such as smiling, angry face, etc.

VII Facial

CN ___ ________________ Nerve is responsible for sensation near the ears and sense of taste in the anterior 2/3 of the tongue.

VII Facial

Damage to CN ___ ________________ Nerve impacts a person's ability to move their face.

VII Facial

CN ___ ________________ Nerve is responsible for sense of taste in the anterior 2/3 of the tongue; whereas CN ___ ________________ Nerve is responsible for sense of taste in the posterior 1/3 of the tongue.

VII Facial; IX Glossopharyngeal

CN ___ ________________ Nerve has two divisions: vestibular and cochlear/acoustic.

VIII Vestibulocochlear

CN ___ ________________ Nerve is responsible for receiving hearing information as well as balance and equilibrium.

VIII Vestibulocochlear

Damage to CN ___ ________________ Nerve can result in hearing loss and balance problems.

VIII Vestibulocochlear

CN X is the ________________ nerve.

Vagus

The __________ branch of VIII Vestibulocochlear Nerve carries the messages of balance and equilibrium tot he brain from the vestibular apparatus and semicircular canals.

Vestibular

CN VIII is the ________________ nerve.

Vestibulocochlear

CN ___ ________________ Nerve carries sensory information from the pharynx, larynx, chest, and abdominal organs to the brain.

X Vagus

CN ___ ________________ Nerve innervates the muscles of the soft palate, pharynx, and larynx.

X Vagus

CN ___ ________________ Nerve is important for swallowing, voice, and control of nasal vs. non-nasal speech sounds.

X Vagus

Damage to the CN ___ ________________ Nerve can result in speech problems, velopharyngeal insufficiency, voice problems, and respiratory distress due to respiratory muscles not being properly controlled.

X Vagus

The parasympathetic function of CN ___ ________________ Nerve innervates the muscles around the heart, lungs, and digestive tract.

X Vagus

CN ___ ________________ Nerve has three branches: Pharyngeal, Superior Laryngeal, and Recurrent Laryngeal.

X Vagus Nerve

CN ___ ________________ Nerve innervates sternocleidomastoid and trapezius muscles that move the head and neck and are important for elevating the sternum and head turning.

XI Accessory

Damage to CN ___ ________________ Nerve can result in a decreased range of motion in the neck, problems turning the head, and weakness in the shoulders.

XI Accessory

CN ___ ________________ Nerve contains motor fibers that innervate the tongue muscles.

XII Hypoglossal

CN ___ ________________ Nerve innervate the intrinsic and extrinsic muscles of the tongue.

XII Hypoglossal

Damage to CN ___ ________________ Nerve can result in loss of control of tongue movement, swallowing difficulties from being unable to adequately chew food, and speech problems.

XII Hypoglossal

_____________ is the sudden onset of paralysis of ipsilateral and lower facial muscles.

Lower Motor Neuron (LMN) Syndrome

CN IX Glossopharyngeal nerve is a (sensory/motor/mixed) nerve.

Mixed

The cranial nerves exit out of the central nervous system through ________________ or ________________, gaps or openings on the ventral surface of the brain.

Foramina, fissures

CN V Trigeminal nerve is a (sensory/motor/mixed) nerve.

Mixed

CN VII Facial nerve is a (sensory/motor/mixed) nerve.

Mixed

CN X Vagus nerve is a (sensory/motor/mixed) nerve.

Mixed

The Mandibular division of CN V Trigeminal Nerve is (sensory/motor/mixed).

Mixed

CN III Oculomotor nerve is a (sensory/motor/mixed) nerve.

Motor

CN IV Trochlear nerve is a (sensory/motor/mixed) nerve.

Motor

CN VI Abducens nerve is a (sensory/motor/mixed) nerve.

Motor

CN XI Accessory nerve is a (sensory/motor/mixed) nerve.

Motor

CN XII Hypoglossal nerve is a (sensory/motor/mixed) nerve.

Motor

There are ________________ pairs of cranial nerves.

12

CN IX is the ________________ nerve.

Glossopharyngeal

CN VI is the ________________ nerve.

Abducens

4 cranial nerve nuclei are located ________________, 4 are located ________________, and 4 are located ________________.

Above the pons; in the pons; in the medulla

CN XI is the ________________ nerve.

Accessory

________________, or loss of sense of smell, can occur as a result of damage to CN ___ ________________ Nerve.

Anosmia; I Olfactory

______________ is a facial nerve dysfunction that results in paralysis of part of the face.

Bell's Palsy

The upper face has (bilateral/unilateral) innervation.

Bilateral

Cranial nerve nuclei are located in the ________________.

Brainstem

Cranial nerves exit from the ________________.

Brainstem

The __________ branch of VIII Vestibulocochlear Nerve receives and carries impulses from the cochlea to the thalamus and primary auditory cortex.

Cochlear

With an upper motor neuron lesion of the CN VII Facial Nerve, the patient will be unable to move the _________ part of the face.

Contralateral

________________ serve as communication between the brain and head/neck.

Cranial nerves

CN VII is the ________________ nerve.

Facial

CN XII is the ________________ nerve.

Hypoglossal

CN ___ ________________ Nerve is the only cranial nerve in which sensory information goes directly to the brain rather than through the thalamus.

I Olfactory

CN ___ ________________ Nerve provides us with our sense of smell; takes information from the nose to the brain.

I Olfactory

Disorders associated with a decreased smell, as a result of damage to CN ___ ________________ Nerve, include Parkinson's, Alzheimer's, and TBI.

I Olfactory

CN ___ ________________ Nerve carries sensory messages from the retina to the brain and allows us to see things.

II Optic

Damage to CN ___ ________________ Nerve can result in visual field loss.

II Optic

CN ___ ________________ Nerve has a parasympathetic function of being a pupil constrictor.

III Oculomotor

CN ___ ________________ Nerve innervates the eye muscles and is responsible for eyeball movement and control of the eyelid.

III Oculomotor

Damage to CN ___ ________________ Nerve can result in ________________, or drooping of the eyelid, as well as loss of pupillary light reflex.

III Oculomotor; Ptosis

CN ___ ________________ Nerve carries motor fibers to the eye muscles, innervating the muscles that control the eyes and allows us to move the eyeballs around.

IV Trochlear

Damage to the CN ___ ________________ Nerve an result in ________________, or double vision as well as difficulty reading and focusing, when looking down.

IV Trochlear; Dipolopia

CN ___ ________________ Nerve innervates the Parotid glands, the largest salivary gland, to regulate the secretion of saliva in the oral cavity.

IX Glossopharyngeal

CN ___ ________________ Nerve innervates the muscles of the pharynx, specifically the stylopharyngeus muscle that plays a role in laryngeal elevation and swallowing.

IX Glossopharyngeal

CN ___ ________________ Nerve relays sensory information from the pharynx, middle ear, and posterior 1/3 of the tongue and is responsible for the gag reflex.

IX Glossopharyngeal

Damage to CN ___ ________________ Nerve can result in loss of sense of taste in the back of the mouth, loss of gag reflex, absent or decreased swallow reflex, and decreased pharyngeal movement when talking and swallowing.

IX Glossopharyngeal

CN ___ ________________ Nerve is responsible for the ________________, a safety mechanism to remove foreign material in the larynx/pharynx.

IX Glossopharyngeal; Gag reflex

With an lower motor neuron lesion of the CN VII Facial Nerve, the patient will be unable to move the _________ part of the face.

Ipsilateral

CN I is the ________________ nerve.

Olfactory

The three divisions of fibers in CN V Trigeminal Nerve ________________, ________________, and ________________.

Ophthalmic, Maxillary, and Mandibular

CN II is the ________________ nerve.

Optic

CN X Vagus Nerve has three branches: ________________, ________________, and __________________.

Pharyngeal, Superior laryngeal, Recurrent laryngeal

CN I Olfactory nerve is a (sensory/motor/mixed) nerve.

Sensory

CN II Optic nerve is a (sensory/motor/mixed) nerve.

Sensory

CN VIII Vestibulocochlear nerve is a (sensory/motor/mixed) nerve.

Sensory

The Maxillary division of CN V Trigeminal Nerve is (sensory/motor/mixed).

Sensory

The Ophthalmic division of CN V Trigeminal Nerve is (sensory/motor/mixed).

Sensory

Cranial nerves can be classified as ________________, ________________, or ________________.

Sensory, motor, mixed


Related study sets

Tinker v. Des Moines Independent Community School District

View Set

Professional development quiz 1 & 2

View Set

Systems Analysis & Design: CH 10 True/False

View Set

13-4 Paying Withholding and Payroll Taxes

View Set