Questions from "Vessels of the Head and Neck" notes. # b4 answer=page of notes
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| Where is the carotid tubercle? Be specific and complete!! | 49 Anterior tubercle of transverse process of C6 vertebra
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| Branch of the external carotid a. which supplies the dura, tympanic cavity, palatine tonsil… | 49 Ascending pharyngeal a.
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| Level at which the common carotid bifurcates into internal and external branches. | 49 C3/4 (upper border of thyroid cartilage)
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| Cranial nerve that CROSSES the lower lateral part of both the internal and external carotid arteries. | 49 Hypoglossal n.
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| Besides the carotid a., give the structures in the carotid sheath. | 49 Internal jugular v., vagus n.
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| Vessel which passes through foramen lacerum (be complete!). | 49 Meningeal br. of ascending pharyngeal a.
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| Right common carotid a. arises deep to this surface landmark. | 49 Sternoclavicular joint
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| Forms an important anastomosis with dorsal nasal branch of the ophthalmic a. | 50 Angular a. of facial a.
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| What branches of the external carotid a) supply the palatine tonsils? | 50 Ascending pharyngeal a., lingual a., facial a.
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| What is the function of the following: b) carotid sinus | 50 b) Regulates systemic BP
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| Third branch of the external carotid a. | 50 Lingual a.
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| Vessel which directly supplies floor of mouth and tongue. | 50 Lingual a.
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| ___ branch of maxillary a. that supplies teeth via the mandibular foramen. | 51 Inferior alveolar a.
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| Branch of maxillary a. that supplies teeth via the mandibular foramen. | 51 Inferior alveolar a.
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| Branch of maxillary a. which passes through the foramen spinosum. | 51 Middle meningeal a.
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| Specific artery that supplies the scalp above and behind the ear, tympanic cavity, mastoid air cells, etc. | 51 Posterior auricular
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| Name the vessels with which the descending branch of the occipital artery has anastomoses. | 51 Thyrocervical trunk, costocervical trunk, vertebral a.
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| Name the vessels with which the descending branch of the occipital artery has anastomoses. | 51 Thyrocervical trunk, costocervical trunk, vertebral a.
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| From lecture, the internal carotid artery supplies _________ (%) percent of the ___________ (be very specific) | 52 80-90%; Cerebral hemispheres
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| What is the function of the following: a) carotid body | 52 a) Monitors O2 and CO2 levels in blood
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| Structure located directly in the bifurcation of the common carotid a. | 52 Carotid body
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| Dilation at proximal beginning of internal carotid artery. | 52 Carotid sinus
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| Branch of maxillary artery which supplies ROOF of mouth. | 52 Greater palatine a.
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| ___ branch of maxillary artery which supplies molars and premolars of maxilla, gums, and maxillary sinus. | 52 Posterior superior alveolar a.
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| Branch of maxillary artery which supplies molars and premolars of maxilla, gums, and maxillary sinus. | 52 Posterior superior alveolar a.
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| Branch of maxillary a. that supplies the nasal septum and paranasal sinuses. | 52 Sphenopalatine a.
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| Name the branches of the petrous part of the internal carotid a. | 53 Caroticotympanic a., artery to pterygoid canal
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| Name the BRANCHES of the cavernous part of the internal carotid a. | 53 Cavernous a., hypophyseal a., meningeal a.
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| The ______ part of the internal carotid artery passes in close association with ______ (nerves). They may be affected by an aneurysm of the vessel. | 53 Cavernous, III, IV, V1 (1st branch), VI
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| The PETROUS part of the internal carotid a. is separated from what two SPECIFIC structures by a thin piece of bone | 53 Cochlea of inner ear and trigeminal ganglion
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| Forms the anterosuperior border of the carotid angle. | 53 Posterior belly of digastric m., stylohyoid m.
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| Forms posterior border of carotid triangle. | 53 SCM
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| Forms the anteroinferior border of the carotid triangle. | 53 Superior belly of omohyoid m.
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| Name the branches of the ophthalmic a. | 54 central a. of retina, lacrimal a., [suparorital, supratrochlear, dorsal nasal, palpebral aa.], cilliary a.
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| Largest branch of the internal carotid a., runs in the lateral cerebral fissure to supply certain lobes. | 54 Middle cerebral a.
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| Largest branch of the internal carotid artery: it curves around corpus callosum and supplies the medial surface of the hemispheres. | 54 Middle cerebral a.
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| Name the direct branches of the cerebral part of the internal carotid a. | 54 Ophthalmic a., choroidal a., posterior communicating a., middle cerebral a., anterior cerebral a.
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| List two different arteries located on and supplying the MEDIAL forehead. | 54 Supratrochlear a., supraorbital a. (addition to notes)
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| Assume 1 or both of the internal carotid aa. are partially occluded. Name the specific artery that would allow: a) blood to flow from the basilar system into the internal carotid system. | 55 a) Posterior communicating aa.
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| Branch of internal carotid a. which travels in the longitudinal cerebral fissure. | 55 Anterior cerebral a.
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| Assume 1 or both of the internal carotid aa. are partially occluded. Name the specific artery that would allow: b) retrograde blood flow directly into the cerebral part of the internal carotid system from the external carotid system. | 55 b) Ophthalmic aa.
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| Assume a partial occlusion of 1 internal carotid artery. Besides the posterior communicating artery, name 2 different collateral arteries of importance. | 55 Ophthalmic aa., anterior communicating a.
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| Name the tributaries to the external jugular vein. Do NOT include the ones that give rise to (form) the vessel. | 56 Anterior jugular v., transverse cervical v., suprascapular v.
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| Nerve that travels with the external jugular vein. | 56 Great auricular n.
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| Besides the sigmoid sinus, name two tributaries to the internal jugular v. that do NOT have the EXACT same name as branches of the external carotid artery. | 56 Inferior petrosal sinus, Middle thyroid v.
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| Name the tributaries to the EXTERNAL jugular vein. Do NOT include the ones that give rise to (form) the vessel. | 56 Transverse cervical v., suprascapular v., anterior jugular v.
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| To where does the retromandibular vein drain? | 57 Common facial v. and EJV
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| Name given to the vessels which run BETWEEN the outer and inner tables of the flat bones of the skull. | 57 Diploic vv.
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| Vein that is a tributary to both the external jugular and the common facial veins. | 57 Retromandibular v.
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| Describe the course of an emissary vein. Why are they clinically important? | 57 Run through foramina and openings in skull forming anastomoses between dural venous sinuses and vv. of scalp (may carry infections from scalp to dural venous sinuses)
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| Describe an emissary vein. | 57 Run through foramina and openings in skull forming anastomoses between dural venous sinuses and vv. of scalp (may carry infections from scalp to dural venous sinuses)
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| Directly receives the drainage of the superior sagittal sinus. | 58 Confluence of sinuses
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| Specific structure which contains the occipital sinus. | 58 Falx cerebelli
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| Name the tributaries to the straight sinus. | 58 Great cerebral v., inferior sagital sinus
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| sinus that is a tributary to the straight sinus | 58 Inferior sagittal sinus & Great Cerebral Vein
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| The superior sagittal and transverse sinuses connect to the confluence of sinuses. Name two others which also connect here. | 58 Occipital sinus, straight sinus
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| Besides the transverse sinus, a sinus that is a tributary to the sigmoid sinus. | 59 Superior petrosal sinuses
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| SPECIFIC structure which contains the superior petrosal sinus. | 59 Tentorium cerebelli
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| Assume a partial occlusion of the right common carotid. Give correct sequence by which a drop of blood would travel to reach an area distal to the occlusion. Begin with the common carotid artery and end with the maxillary. | 63 CCA -> Subclavian a. -> thyrocervical t/costocervical t./vertebral a. -> descending br. of occipital a. -> occipital a. -> ECA -> maxilary a.
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| Draw the circulus arteriosis (circle of Willis) and label all component vessels. The two circles below represent the internal carotids. Begin the drawing from them. Be accurate and neat! | Draw diagram
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| Draw a simple diagram showing the connections of the retromandibular, posterior auricular, external jugular, facial, and common facial veins with each other. Now label the diagram correctly. | Draw Diagram
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