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NWHSU Mash GA2Q2 VCa

NWHSU Mash GA 2 Q 2 Vessels Carotids

QuestionAnswer
Structure located directly in the bifurcation of the common carotid a. Carotid body
What is the carotid tubercle? Be specific and complete!! Anterior tubercle of transverse process of C6 vertebra
What is the function of the following: a) carotid body monitors O2 and CO2 levels in blood
What is the function of the following: b) carotid sinus regulates systemic BP
Forms posterior border of carotid triangle SCM
Right common carotid a. arises deep to this surface landmark. Sternoclavicular joint
Forms the anteroinferior border of the carotid triangle. Superior belly of omohyoid m.
forms the anterosuperior border of the carotid angle. Posterior belly of digastric, stylohyoid mm.
Level at which the common carotid bifurcates into internal and external branches C3/4 (upper border of thyroid cartilage)
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. common carotid>external carotid>superior thyroid>ascending pharyngeal>lingual>facial>occipital>posterior auricular>superficial temporal>maxillary
Besides the carotid a., give the structures in the carotid sheath Internal jugular v., vagus n.
vessel which directly supplies floor of mouth and tongue Lingual A.
branch of the external carotid which supplies the dura, tympanic cavity, palatine tonsil, longus capitus and colli, etc. Ascending pharyngeal
Specific artery that supplies the scalp above and behind the ear, tympanic cavity, mastoid air cells, etc. Posterior auricular
branch of maxillary a. that supplies teeth via the mandibular foramen Inferior alveolar
Branch of maxillary a. that supplies the nasal septum and paranasal sinuses Sphenopalatine
Branch of maxillary a. which passes through the foramen spinosum Middle meningeal
branch of maxillary artery which supplies molars and premolars of maxilla, gums, and maxillary sinus. Posterior superior alveolar
branch of maxillary artery which supplies ROOF of mouth Greater palatine a.
Third branch of the external carotid a. Lingual Artery
What branches of the external carotid a. supply the palatine tonsils? Ascending pharyngeal, lingual, facial
Branch of internal carotid a. which travels in the longitudinal cerebral fissure. Anterior cerebral
Dilation at proximal beginning of internal carotid artery. Carotid sinus
Largest branch of the internal carotid a., runs in the lateral cerebral fissure to supply certain lobes Middle cerebral
Largest branch of the internal carotid artery : it curves around corpus callosum and supplies the medial surface of the hemispheres Middle cerebral
Cranial nerve that CROSSES the lower lateral part of both the internal and external carotid arteries Hypoglossal
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 ophthalmic
Name the branches of the petrous part of the internal carotid a. Caroticotympanic & Artery of the pterygoid canal
The PETROUS part of the internal carotid a. is separated from what two SPECIFIC structures by a thin piece of bone Cochlea of inner ear and trigeminal ganglia
Name the direct branches of the cerebral part of the internal carotid a. Ophthalmic, choroidal, posterior communicating, middle cerebral, anterior cerebral
The ______ part of the internal carotid artery passes in close association with ______ (nerves). They may be affected by an aneurysm of the vessel. Cavernous; III, IV, V1, VI
From lecture, the internal carotid artery supplies _________ (%) percent of the ___________ (be very specific) 80-90%; Cerebral hemispheres
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
Name the vessels with which the descending branch of the occipital Artery has anastomosis Vertebral artery, thyrocervical trunk, costocervical trunk
Vessel which passes through the foramen lacerum (Be Complete!) Meningeal Branch of Ascending Pharyngeal Artery
Name the branches of the ophthalmic artery lacrimal, central, dorsal nasal, supraorbital, supratrochlear, palpebral
Physiologically (not structurally) why does the foramen ovale close after birth? increased pressure in left atrium or decreased pressure in right atrium
Created by: AnatomyMash on 2013-02-09



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