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GA2_E2_VslHeadNeck

Questions from "Vessels of the Head and Neck" notes. # b4 answer=page of notes

QuestionAnswer
Where is the carotid tubercle? Be specific and complete!! 49 Anterior tubercle of transverse process of C6 vertebra
Branch of the external carotid a. which supplies the dura, tympanic cavity, palatine tonsil… 49 Ascending pharyngeal a.
Level at which the common carotid bifurcates into internal and external branches. 49 C3/4 (upper border of thyroid cartilage)
Cranial nerve that CROSSES the lower lateral part of both the internal and external carotid arteries. 49 Hypoglossal n.
Besides the carotid a., give the structures in the carotid sheath. 49 Internal jugular v., vagus n.
Vessel which passes through foramen lacerum (be complete!). 49 Meningeal br. of ascending pharyngeal a.
Right common carotid a. arises deep to this surface landmark. 49 Sternoclavicular joint
Forms an important anastomosis with dorsal nasal branch of the ophthalmic a. 50 Angular a. of facial a.
What branches of the external carotid a) supply the palatine tonsils? 50 Ascending pharyngeal a., lingual a., facial a.
What is the function of the following: b) carotid sinus 50 b) Regulates systemic BP
Third branch of the external carotid a. 50 Lingual a.
Vessel which directly supplies floor of mouth and tongue. 50 Lingual a.
___ branch of maxillary a. that supplies teeth via the mandibular foramen. 51 Inferior alveolar a.
Branch of maxillary a. that supplies teeth via the mandibular foramen. 51 Inferior alveolar a.
Branch of maxillary a. which passes through the foramen spinosum. 51 Middle meningeal a.
Specific artery that supplies the scalp above and behind the ear, tympanic cavity, mastoid air cells, etc. 51 Posterior auricular
Name the vessels with which the descending branch of the occipital artery has anastomoses. 51 Thyrocervical trunk, costocervical trunk, vertebral a.
Name the vessels with which the descending branch of the occipital artery has anastomoses. 51 Thyrocervical trunk, costocervical trunk, vertebral a.
From lecture, the internal carotid artery supplies _________ (%) percent of the ___________ (be very specific) 52 80-90%; Cerebral hemispheres
What is the function of the following: a) carotid body 52 a) Monitors O2 and CO2 levels in blood
Structure located directly in the bifurcation of the common carotid a. 52 Carotid body
Dilation at proximal beginning of internal carotid artery. 52 Carotid sinus
Branch of maxillary artery which supplies ROOF of mouth. 52 Greater palatine a.
___ branch of maxillary artery which supplies molars and premolars of maxilla, gums, and maxillary sinus. 52 Posterior superior alveolar a.
Branch of maxillary artery which supplies molars and premolars of maxilla, gums, and maxillary sinus. 52 Posterior superior alveolar a.
Branch of maxillary a. that supplies the nasal septum and paranasal sinuses. 52 Sphenopalatine a.
Name the branches of the petrous part of the internal carotid a. 53 Caroticotympanic a., artery to pterygoid canal
Name the BRANCHES of the cavernous part of the internal carotid a. 53 Cavernous a., hypophyseal a., meningeal a.
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
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
Forms the anterosuperior border of the carotid angle. 53 Posterior belly of digastric m., stylohyoid m.
Forms posterior border of carotid triangle. 53 SCM
Forms the anteroinferior border of the carotid triangle. 53 Superior belly of omohyoid m.
Name the branches of the ophthalmic a. 54 central a. of retina, lacrimal a., [suparorital, supratrochlear, dorsal nasal, palpebral aa.], cilliary a.
Largest branch of the internal carotid a., runs in the lateral cerebral fissure to supply certain lobes. 54 Middle cerebral a.
Largest branch of the internal carotid artery: it curves around corpus callosum and supplies the medial surface of the hemispheres. 54 Middle cerebral a.
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.
List two different arteries located on and supplying the MEDIAL forehead. 54 Supratrochlear a., supraorbital a. (addition to notes)
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.
Branch of internal carotid a. which travels in the longitudinal cerebral fissure. 55 Anterior cerebral a.
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.
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.
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.
Nerve that travels with the external jugular vein. 56 Great auricular n.
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.
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.
To where does the retromandibular vein drain? 57 Common facial v. and EJV
Name given to the vessels which run BETWEEN the outer and inner tables of the flat bones of the skull. 57 Diploic vv.
Vein that is a tributary to both the external jugular and the common facial veins. 57 Retromandibular v.
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)
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)
Directly receives the drainage of the superior sagittal sinus. 58 Confluence of sinuses
Specific structure which contains the occipital sinus. 58 Falx cerebelli
Name the tributaries to the straight sinus. 58 Great cerebral v., inferior sagital sinus
sinus that is a tributary to the straight sinus 58 Inferior sagittal sinus & Great Cerebral Vein
The superior sagittal and transverse sinuses connect to the confluence of sinuses. Name two others which also connect here. 58 Occipital sinus, straight sinus
Besides the transverse sinus, a sinus that is a tributary to the sigmoid sinus. 59 Superior petrosal sinuses
SPECIFIC structure which contains the superior petrosal sinus. 59 Tentorium cerebelli
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.
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
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
Created by: sor32663
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