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39 Cards in this Set
- Front
- Back
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What are the three branches of the Trigeminal nerve (CNV)
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Opthalmic
Maxillary Mandibular |
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Function of CNV
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Motor Innervation to the muscles of mastication
Sensory innervation to the muscles of the superficial face |
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Function of Facial Nerve CN7
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Motor innervation to the muscles of facial expression
Also has special sensory taste fibers(chorda typani) from anterior tongue Parasympthetic innervation to lacrimal gland |
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Nerve responsible for crying
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Facial nerve CN7
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What gland holds the Facial Nerve CH7 hostage
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Parotid
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What regulated parotid secretion?
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Glossophargyeal CNIX via the otic ganglion
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What runs through the supraorbital notch?
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CN V1- Opthalmic
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What runs through the infraorbital notch?
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CNV2- Maxillary
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What runs through the mental foramen?
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CNV3- Mandibular
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Which cranial nerves innervate the superficial and deep face?
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CN V- Trigeminal
CN VII- Facial |
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What are the layers of the SCALP?
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S- Skin
C- Connective tissue (blood vessels) A- Aponeurosis L- Loose connective tissue P- Pericranium |
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Which portion of the scalp is responsible for bleeding?
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Dense connective tissue
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Which portion of the scalp is responsible for wound healing?
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Aponeurosis of the occipitofrontalis muscle
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Which portion of the scalp is responsible for infections?
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Loose connective tissue
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Which muscle of facial expression is responsible for worry?
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Corrugator
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Which muscle of facial expression is responsible for suprise?
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Frontalis
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Which muscle of facial expression is responsible for winking or sleeping?
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Orbicularis oculi
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Which muscle of facial expression is responsible for kissing?
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Orbicularis oris
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Which muscle of facial expression is responsible for opening the mouth?
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Levator labii superioris
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Which muscle of facial expression is responsible for grimacing?
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platysma
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Which muscle of facial expression is responsible for doubt?
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mentalis
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Which muscle of facial expression is responsible for smiling?
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buccinator
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Which muscle in the cheek is not used for mastication?
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buccinator
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What are the muscles of mastication?
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Temporal, masseter, medial and lateral pterygoids
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Where does CNVII (Facial) exit the cranium?
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Via the stylomastoid foramen
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Branches of the facial nerve
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Two Zebras Bit My Cheeks
Temporal Zygomatic Buccal Cervical Marginal mandibular |
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Bell's palsy is an injury to which nerve?
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Facial
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Postganglionic sympathetic sweat glands of the face recieve sympathetic innervation from...
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superior cervical ganglion
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CN V (Trigeminal) gives cutaneous innervation through its three branches to...
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Face, mucosal surfaces of the cornea, nasal cavity, and paranasal sinuses
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Trigeminal nerve synapses at the...
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trigeminal ganglion
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Three main nerves that branch off CN V1
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Fontal
nasociliary Lacrimal |
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Three main branches of CN V2
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Infrarobital nerve
Zygomaticotemporal n. Zygomatic facial n. |
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CN V2 entry
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enteres the pterygopalatine fossa via the foramen rotundum then enters the orbit through the inferior fossa
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CN V3 enters the ITF via
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the foramen ovale
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Branches of CN V3
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Buccal
Lingual Inferior alceolar to mental Auriculotemporal |
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Ganglion for facial nerve
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Geniculate ganglion
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Main blood supply for the superficial face and scalp
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External carotid artery
all except for superior/inferior orbital which are supplied by internal carotid |
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Sensory and secretory fibers from CN IV (glossopharyngeal) come from
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go to otic ganglion andjoin the auriclotemporal nerve
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Path of the parotid duct
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Crosses anterior border of masseter muscle and pierces buccinaro
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