How many cranial nerves in total?
24
What sense is associated with the olfactory nerve (I)?
sense of smell
What is uncut?
smell cortex, primary olfactory process
If a patient says coffee suddenly smells like gasoline, what is this symptom called and which nerve being affected?
disosmia caused by disfunction olfactory nerve
What is the nickname of the Vagus nerve (X)?
The wanderer
Where do cranial nerves attach on the brain?
Ventral surface
What movements are controlled by the Hypoglossal Nerve (XII)?
Tongue movements: swallowing and speech
What branch does the glossopharyngeal nerve (IX) have that is related to baroreception?
Branch to carotid sinus
How can you test the function of the Hypoglossal Nerve (XII)?
Have the patient hold their tongue against their cheek and apply resistance from outside of the cheek.
What reflex is associated with the trigeminal nerve?
Corneal (blink) reflex
Which part of the brain do the first two pairs of cranial nerves attach to?
Forebrain
What type of taste does the facial nerve provide for the anterior 2/3 of the tongue?
Sour, salty, sweet
three division of trigeminal nerve
V1:opthalmic division
V2: maxillary division
V3: mandibular division
What is the clinical test asks patient to shrug shoulders against resistance test for?
test for spinal accessory nerve (XI)
What is unique about the trochlear nerve compared to other cranial nerves?
It is the smallest of the cranial nerves and the longest intracranial nerve.
Nerves are peripheral, tracts are central
Which muscles does the trigeminal nerve control for mastication?
Temporalis, masseter, medial and lateral pterygoids
where all the sense (except smell) go through?
go to the thalamus
which nerve being affected in mumps
enlargement of glossopharyngeal nerve
What layers ensheathe the optic nerve?
All three meningeal layers.
List layers of connective tissue of a nerve?
epineurium covering peripheral nerve
perineurium (around one fascicle)
endoneurium
Which muscles receive motor control from the facial nerve?
Posterior belly of digastric and stylohyoid
vagus nerve innervation
1. pharynx
2. left lung
3. right lung
4. heart
5. stomach
6. liver
7. spleen
8. pancreas
9. right kidney
10. small intestine
11. large intestine
Which illness caused by the dysfunction of the trigeminal nerve
Trigeminal neuralgia (tic douloureux)
Where is the auricular branch of vagus nerve
behind ear