What is the name?
What is the name of cranial nerve 5?
Trigeminal Nerve
What is the function of cranial nerve 2 (Optic)?
Transmits visual information from the retina to the vision centers of the brain.
On protrusion, tongue deviates to right side.
Hypoglossal Nerve
The patient is unable to control the amount of light that reaches the retina and alter focus.
Oculomotor-3
How many cranial nerves do we have?
12
What is the name of cranial nerve 3?
Oculomotor Nerve
What is the function of cranial nerve 11 (Accessory)?
•Spinal: important for head and shoulder alignment
•Cranial: serves CN X function of the RLN to innervate muscles of pharynx, larynx, and velum
Unable to open right side of mouth
5 (trigeminal)
An individual has taken a hard blow to the face and has lost sense of smell.
Olfactory-1
What is the origin of most cranial nerves?
brainstem
What is the name of cranial nerve 10?
Vagus Nerve
What is the function of cranial nerve 8?
Maintaining equilibrium and hearing
The client is unable to generate saliva. Hint: two nerves
7 and 9 (facial and glossopharyngeal)
Due to surgical error, the patient has lost most sensory perception on one side of the face and difficulty chewing
Trigeminal-5
How many branches does cranial nerve 7 (Facial) have?
5
What is the name of cranial nerve 1?
Olfactory Nerve
What is the function of cranial nerve 6 (Abducens)?
Eye movement, abduction of the eyes, and proprioception.
The client is unable to taste solids on anterior 2/3 of tongue
7 (facial)
Paralysis of the superior oblique muscle impacts eye rotation outwards and unable to move eye downwards.
Trochlear-4
Why do SLPs need to know the cranial nerves?
-Foundation of assessment and treatment of neurogenic disorders, oral motor assessment, swallowing, speech.
-Damage to the brainstem which houses most of the CNs impacts speech, language and swallowing functions.
What is the name of cranial nerve 4?
Trochlear Nerve
What is the function of cranial nerve 12 (Hypoglossal)?
Intrinsic and extrinsic tongue muscles (tongue protrusion)
Unable to open right side of mouth
5 (trigeminal)
Unable to move eyes right to left
Abducens-6
How are cranial nerves classified?
function (sensory, motor, and mixed)