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72 Cards in this Set
- Front
- Back
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What supplies blood to the face?
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The facial artery
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What does the facial artery branch from?
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The external carotid artery
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What does the Facial artery anastomose with in the upper face?
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Opthalmic artery
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What 3 branches of the Facial artery supply the scalp?
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-Occipital
-Posterior auricular -Superficial temporal |
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So what is the main branch off the aorta to supply the right upper body?
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Brachiocephalic trunk
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What does the brachiocephalic trunk branch into?
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-Subclavian
-Common carotid |
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What is the first branch off the subclavian?
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Vertebral artery
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What branches off the subclavian after the vertebral artery?
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The THYROCERVICAL trunk
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What does the thyrocervical trunk split into?
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-Suprascapular
-Transverse cervical -Inferior thyroid |
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What additional artery branches off the inferior thyroid artery?
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The Ascending Cervical Artery
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The common carotid artery branches into:
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-Internal
-External |
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What is the mnemonic for the ascending branches of the EXTERNAL carotid artery?
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Some aggressive lovers find odd positions more stimulating
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Where is the origin of the buccinator muscle?
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Pterygomandibular raphe
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What artery supplies blood to the face?
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Facial artery
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How does the facial artery get to the facial muscles?
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-Branches off Ext Carotid
-Passes deep to Submandib Gland -Crosses Mandible in front of attachment of Masseter muscle |
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Where does the Facial artery end?
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In anastomosis with the OPTHALMIC artery at the MEDIAL corner of the eye
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What branch of the facial artery supplies the vestibule of the nose?
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Superior Labial artery
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What 3 branches of ECA supply the SCALP?
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SOP
-Superficial temporal -Occipital -Posterior auricular |
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What branch of the Superficial Temporal Artery courses through the face parallel to the parotid duct?
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Transverse facial artery
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Mnemonic for branches of the External Carotid artery?
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Some aggressive lovers find odd positions more stimulating
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What are the branches of the External Carotid artery?
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-Superior thyroid
-Ascending pharyngeal -Lingual -Facial -Occipital -Posterior auricular -Superficial temporal |
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What do the Superficial Temporal and Maxillary VEINS join to form?
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Retromandibular vein
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What does the Retromandibular vein join up with and drain into?
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Facial vein - drains into IJV
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What does the connection between the Facial vein and Orbital veinous plexus give potential for?
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Spread of infection into the cavernous sinus
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What gives sensory innervation to the face?
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Sensory branches of CN V
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What are the 4 branches of the OPHTHALMIC nerve from lateral to medial?
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-Lacrimal
-Supraorbital -Supratrochlear -Zygomaticotemporal |
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What are the 3 branches of V2, the Maxillary division?
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-INFRAorbital
-Zygomaticofacial -Zygomaticotemporal |
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What are the 3 sensory branches of V3, the mandibular division?
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-Buccal
-Mental -Auriculotemporal BAM! |
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How does the Facial nerve get to the face?
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-Emerges from stylomastoid foramen
-Lies within PAROTID gland |
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What is the function of CN 7?
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Motor movement of muscles of facial expression
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What 2 muscles are innervated by Temporal branch of CN7?
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-Occipitofrontalis
-Orbicularis oculi |
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What else innervates orbicularis oculi?
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Zygomatic branch
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What 2 spcf muscles are innervated by the Buccal branch?
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-Buccinator
-Orbicularis oris |
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What branch innervates Platysma?
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CERVICAL branch
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What is the Superior vs Inferior boundary of the nose?
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Superior - cribiform plate
Inferior - hard palate |
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What bone is the cribiform plate in?
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Ethmoid
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What is the opening of the nasal cavity at the oropharynx called?
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Choanae
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What 2 bones make up the nasal septum?
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-Perpendicular plate of ethmoid
-Vomer |
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What is the function of the turbinates?
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-Increased surface area
-Turbulence |
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What are the 3 main functions of the nose?
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-Warm air
-Humidify air -Clean air |
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What are the spaces between the conchae and the lateral nasal wall?
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Meatuses
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What is the bulge in the lateral wall of the middle meatus called and why is it there?
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Ethmoid bullus - created by presence of ethmoidal air cells
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What groove creates the inferior boundary of the bulla ethmoidalis?
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Hiatus semilunaris
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What type of mucosal lining is in the nose?
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Ciliated columnar epithelium
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Where else does this mucosal lining extend?
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Into the paranasal sinuses
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Why is there ciliated columnar epithelium in the sinuses?
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To carry sinus secretions to the nose
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Where does the Frontal sinus drain via what hole?
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To the anterior hiatus semilunaris via the Infundibulum
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So what meatus does the Frontal sinus drain into?
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Middle meatus
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What 3 other sinuses drain into the hiatus semilunaris with the Frontal?
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-Maxillary
-Anterior/Middle Ethmoidal sinuses |
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Where do the POSTERIOR ethmoidal sinus cells drain?
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SUPERIOR meatus
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Where does the Sphenoid sinus drain?
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Sphenoethmoidal recess
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What drains into the INFERIOR meatus?
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Nasolacrimal duct!
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What gives sensory innervation to the roof and midline anterior nose?
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Ophtalmic V1 branches
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What gives sensory innervation to the lateral nose?
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V2 - Maxillary division
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What is the main blood supply to the nasal cavity?
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Sphenopalatine Artery - branch of the Maxillary artery
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How does the Sphenopalatine artery get TO the nose?
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Pterygopalatine fossa
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What artery supplies the VESTIBULE of the nose?
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Nasolabial branches of the FACIAL artery
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What artery supplies the ROOF of the nose?
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Opthalmic branch of ICA
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What are 3 important structures that lie within the substance of the PAROTID gland?
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-Facial nerve
-Terminal branches of Ext Carotid (superficial temporal/maxillary aa) -Retromandibular vein (Maxillary and Superficial Temporal vein join together) |
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Where does the Submandibular gland lie within the neck?
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-Digastric triangle, below the Mylohyoid muscle
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What supplies secretomotor innervation to the PAROTID gland?
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Glossopharyngeal CN 9
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Where is the originating nucleus for CN 9 preganglionic PNS fibers?
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INFerior salivary nucleus
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Where do the preganglionic fibers of CN 9 course to get to the ganglion? Which ganglion?
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Lesser superficial petrosal nerve to
Otic ganglion |
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What nerve carries the POSTganglionic secretomotor fibers to the parotid gland?
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Auriculotemporal branches of V3
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What are the boundaries of the oral cavity?
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Superior: Palate
Inferior: Mylohyoid muscle Sides: Buccinator muscles Behind: Palatoglossal arches |
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What is the space btwn the Cheek and Teeth called?
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Oral Vestibule
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What is the Soft palate formed by?
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Muscles!
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What are the 4 soft palate muscles?
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-Levator veli palatini
-Palatoglossus -Palatopharyngeus -Musculus uvulae |
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What is the main blood supply to the palate?
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Ascending palatine arteries, branches of the Facial artery
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What other artery has a palatine branch?
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Maxillary artery
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How do the Ascending palatine arteries and the palatine branch of maxillary artery get to the palate?
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Via the pterygopalatine fossa
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Why does the tongue have a differential innervation?
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It develops from different origin tissues!
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