Head exam Flashcards
CN I
Olfactory Nerve - Special sense = olfaction
CN II
Optic Nerve - Special Sense = vision
CN III
Oculomotor - Motor,
Parasympathetic
CN IV
Trochlear - Motor
CN V
Trigeminal:
V1 = Opthalmic - General sensory
V2 = Maxillary - General sensory
V3 = Mandibular - General sensory and motor
CN VI
Abducent - Motor
CN VII
Facial Nerve - General sensory, special sense, motor and parasympathetic
CN VIII
Vestibulocochlear - Special sense
CN IX
Glossopharyngeal - General sensory, special sense, motor, parasympathetic
CN X
Vagus - General sensory, special sense, motor, parasympathetic
CN XI
Accessory - Motor
CN XII
Hypoglossal - Motor
Which nerve goes through the Cribiform Plate?
CN I (Olfactory)
CN II (Optic) goes through which foramen?
Optic Canal
CN III (Oculomotor), IV (Trochlear),V (V1 - Opthalmic), VI (Abducent) all go through the…?
Orbital Fissure
Which nerves go through the Internal Acoustic Meatus?
CN VII (Facial), VIII (Vestibulocochlear)
Which 3 nerves go through the Jugular Foramen -> Tympano-occipital fissure?
CN IX (Glossopharyngeal), X (Vagus), XI (Accessory)
Where does CN XII (Hypoglossal) go?
Hypoglossal canal
What is the function of the Vestibulocochlear nerve?
Vestibular and hearing
Facial nerve function?
Taste to rostral 2/3 of tongue
What nerve provides taste to the caudal 1/3 of the tongue?
Glossopharyngeal
Which nerve provides taste at the root of the tongue?
Vagus
Where does V2 (Maxillary) go?
Round foramen > Rostral Alar foramen
V3 (Mandibular) path?
Oval foramen
What bones make up the zygomatic arch?
Temporal bone, zygomatic bone, maxillary bone
Atlanto-occipital joint
Cranial articulate foveae of atlas, “yes”
Atlanto-axial joint
Caudal articular foveae of atlas, Cranial articular foveae of axis, “no”
Which are the muscles of mastication ?
Temporalis m., masseter m., digastricus m., lateral/medial pterygoid mm.
What are the muscles of mastication innervated by?
Mandibular nerve, and facial nerve (only caudal digastricus)
Muscles of facial expression?
Buccinator m., platysma m., orbicularis Oris m., orbicularis oculi m., levator nasolabialis m., zygomaticus m., frontalis m., rostral/caudal auricular mm.
Innervation of facial expression?
Facial nerve
Neuron
Nerve cell = cell body and cell process
Synapse
Connection between neurons
Ganglion
Neuronal cell bodies in PMS
Nerves
Axons/cell processes in PNS
Nucleus
Neuronal cell bodies in CNS
Tracts
Axons/processes in CNS