Neurocranium
CN III, VII, VIII, X
What are the muscles of mastication and what are they innervated by?
Temporalis
Masseter
Medial pterygoid
Lateral pterygoid
which rectus muscle in the eye is known as the "cheating muscles"? What happens if they stop working
Adduct
which constrictor muscle connects to the hyoid bone?
Name the three cranial nerves that provide taste and somatosensation to the tongue
somatosensation to anterior 2/3 - trigeminal
taste to posterior 1/3 - glossophayngeal
Name the three hematomas and what causes them
Subdural hematoma: laceration of the bridging veins
Subarachnoid hemorrhage: rupture of aneurysm
What is the sensory nerve that supplies the area of the mental protuberance
Trigeminal Nerve V3
what is the first branch of the internal carotid artery?
opthalmic artery
Where does the middle meningeal artery innervate through?
Inferior nasal meatus below inferior nasal concha
the sympathetic trunk carries sympathetic fibers to the orbit via which structure?
Internal carotid artery
Name three cranial nerves that enter/exit the cranial cavity through the supraorbital fissure
Oculomotor (CN III)
Trochlear (CN IV)
Abducens (CN VI)what is the function and innervation of the lateral pterygoid
depresses or lowers the mandible
Trigeminal nerve V3
A patient presents with an oculomotor nerve (CN III) paralysis on their right side. What position would you expect the pupil to be in?
In a lateral and down position
which muscle in the posterior part of the neck does the glossopharyngeal nerve innervate
Where does the middle meningeal artery innervate through?
foramen spinosum
which nerve exits through the stylomastoid foramen
facial nerve (CN VII)
what vein do the dural venous sinuses drain into?
internal jugular vein
V2 - foramen rotumdum
V3 - foramen ovale
The common carotid artery carries ___
oxygenated blood from the heart to the brain
which cranial nerve supplies motor innervation to all the muscles that move the vocal ligaments (vocal cords)
vagus nerve (X)
the main central connection for the oculomotor nerve, trochlear nerve, and abducens nerve
medial longitudinal fasciculus (MLF)
what does the cricothyroid muscle do when it contracts?
pulls thyroid cartilage forward
what are the parasympathetic functions of the oculomotor nerve (III)
constriction of the pupil (miosis)
what structures go through the cavernous sinus
CN 3, 4, 6, V1, V2
What allows CSF to be absorbed into the sinuses?
Arachnoid granulations