Cranial Nerves (12)
Which of the 12 cranial nerves are sensory nerves? Choose the best answer.
1,2,8
Eye
1,3,4,6
Which cranial nerves provide motor innervation only?
3,4,6,11,12
Tongue
7,9,10,12
Hiltons Law
A nerve serving a muscle that produces movement at a joint also innervates the joint itself and the skin over the joint
Olfactory nerve carries sensory ________ for the sense of smell.
Afferent
The vestibulocochlear (VIII) nerve is also called the _______ nerve.
Auditory
The facial nerve (VII) transmits ______ impulses to lacrimal and salivary glands
Autonomic
What does equilibrium mean?
Balance
Glossopharyngeal provides which type of innervations?
Both
Cervical Plexus
C1-C4
Brachial Plexus
C5-T1
The origin of the olfactory nerve is the :
Cerebral Hemispheres
The ______ nerve is not a branch of the trigeminal nerve.
Cervical
Taste to the anterior 2/3's of the tongue is provided by:
Facial
This nerve provides the sensation of taste to the anterior 2/3rds of the tongue:
Facial
This nerve travels thru the internal acoustic meatus:
Facial
The mandibular division of the trigeminal nerve (V) runs thru which orifice?
Foramen Ovale
The maxillary branch of the Trigeminal nerve exits at which orifice?
Foramen Rotundum
This cranial nerve provides motor innervation to the pharyngeal muscles:
Glossopharyngeal
The cochlear division of cranial nerve eight provides for the sense of _______.
Hearing
Motor innervation to the tongue is provided by:
Hypoglossal
The Hypoglossal nerve (XII) exits the skull via the _______ canal.
Hypoglossal
The Glossopharyngeal nerve (IX) leaves the skull via which foramen?
Jugular
Lumbar Plexus
L1-L4
Sciatic Plexus
L4-5, S1-2
Sacral Plexus
L4-S4
The Abducens nerve (VI) provides motor innervating to which muscle?
Lateral Rectus
Of the three division of the Trigeminal nerve, which fibers pass thru the skull via the foramen ovale?
Mandibular
Which branch of the trigeminal nerve provides motor innervations to the muscles of mastication?
Mandibular
Hypoglossal nerve provides ______ innervations to the tongue.
Motor
Cranial Nerve 12
Motor to muscles of the tongue
Which of the 1st three cranial nerves functions in motor innervations?
Oculomotor
This cranial nerve functions to raise the eyelid, direct the eyeball and constrict the iris:
Oculomotor (III)
The cranial nerve most concerned with smell is the:
Olfactory Nerve
Olfactory Nerve (I) arises from which tissue listed below?
Olfactory epithelium
On Old Olympus, Tiny Tops A Finn And German Viewed Some Hops
Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Auditory (Vestibulocochlear), Glossopharyngeal, Vagus, Spinal Accessory, Hypoglossal
The optic nerves converge in the brain at the _____ ______.
Optic Chiasm
Cranial Nerve 10
Overall taste and sensation
Vagus nerve (X) provides _____ fibers to the heart, lungs and visceral organs.
Parasympathetic
Which gland does Glossopharyngeal provide motor fibers to?
Parotid
Accessory nerve (XI) provides motor innervations to the larynx, ______, and soft palate.
Pharynx
Glossopharyngeal innervates which portion of the tongue?
Posterior 1/3
Where does the optic nerve arise?
Retina
Cranial Nerve 7
Sense and taste to anterior 2/3 of the tongue
Some Say Marry Money But My Brother Says Big Brains Matter More
Sensory-Olfactory (I) Sensory- Optic (II) Motor-Oculumotor (III) Motor-Trochlear (IV) Both-Trigeminal (V) Motor-Abducens (VI) Both-Facial (VII) Sensory- Vestibulocochlear (auditory) (VIII) Both- Glossopharyngeal (IX) Both-Vagus (X) Motor- Spinal Accessory (XI) Motor-Hypoglossal (XII)
Motor innervation to the head and neck is accomplished by:
Spinal Accessory
This nerve provides motor innervations to the muscles which move the head and neck.
Spinal Accessory
The spinal root which forms Cranial nerve 11 arises from which region of the cord?
Superior
Which muscle does the Trochlear nerve (IV) innervate?
Superior Oblique
Where does the Oculomotor nerve pass thru to attach to the extrinsic eye muscles?
Superior Orbital Fissure
The Abducens nerve:
Supplies innervation to the lateral rectus muscle of the eye
Proper Hypoglossal innervations allows us to _____ and to ______.
Swallow and Talk
What sensory function does the Vagus provide?
Taste
Cranial Nerve 9
Taste to posterior 2/3 of the tongue and sensation
The _______ nerve is the most complex of the cranial nerves.
Trigeminal
The cranial nerves that have neural connections with the tongue include all of The following except:
Trochlear
How does the accessory nerve leave the cranium?
VIA the Foramen Magnum
This is the only nerve which travels below the head and the neck:
Vagus
What region of the brain is the source for the Oculomotor nerve?
Ventral Midbrain
Problems with balance may follow damage to which nerve?
Vestibulochoclear
Sense of hearing and balance is provided by:
Vestibulochoclear
The optic nerve (II) provides which type of sense?
Vision
The lateral rectus muscle is innervated by the:
abducens nerve
