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Cerebral Arteries
| Question | Answer |
|---|---|
| What artery is the main source of blood supply to the lateral convexity of the cerebral hemisphere? | Middle cerebral artery |
| Which artery connects the posterior cerebral artery to the ipsilateral middle cerebral artery? | Posterior communicating artery |
| Which artery arises at the upper border of the aortic arch and bifurcates at the upper border of the right sternoclavicular joint? | Brachiocephalic trunk |
| Into which two main branches does the anterior cerebral artery bifurcate? | Callosomarginal artery and pericallosal artery |
| Through which opening does the vertebral artery enter the skull? | Foramen magnum |
| Which artery branches off the basilar artery to form the circle of Willis ? | Posterior cerebral artery |
| Which artery is most likely to be affected in the presence of left-sided visual field loss (homonymous hemianopia)? | Posterior cerebral artery |
| Which structure is the entry site of the internal carotid artery into the cranial cavity? | Carotid canal |
| Which artery provides branches for the anterior part of the circle of Willis? | Internal carotid artery |
| Which arteries are branches of the brachiocephalic trunk? | Right common carotid artery and right subclavian artery |
| Which artery passes directly above the oculomotor nerve shortly after its origin from the basilar artery? | Posterior cerebral artery |
| Which artery is the main source of blood supply to the medial surface of the cerebrum? | Anterior cerebral artery |
| Which arteries arise from the basilar artery just before it bifurcates into the left and right posterior cerebral arteries? | Superior cerebellar artery |
| What are the last cortical branches of the pericallosal artery? | Precuneal branches of pericallosal artery |
| Which arteries supply the medulla oblongata? | Anterior spinal artery (ASA), posterior spinal arteries (PSA), and posterior inferior cerebellar artery |
| Which artery bifurcates into the left and right posterior cerebral arteries at the level of the upper border of the pons? | Basilar artery |
| Which artery of the internal carotid system anastomoses with the posterior cerebral artery and establishes a connection with the vertebrobasilar system? | Posterior communicating artery |
| Which artery supplies blood to the hypothalamus, infundibulum and optic chiasm? | Anterior communicating artery |
| Which arteries comprise the anterior circulation of the brain? | Anterior cerebral artery, anterior communicating artery, and middle cerebral artery |
| Which structure signifies the anastomosis between the anterior and posterior circulation of the brain? | Circle of Willis |
| Which artery is given off by the internal carotid artery shortly after it emerges from the cavernous sinus? | Ophthalmic artery |
| Which arteries are branches of the basilar artery? | Anterior inferior cerebellar artery, pontine arteries, posterior cerebral artery, and superior cerebellar artery |
| Which arteries give off branches that supply the cerebellum, brainstem and occipital lobes? | Vertebral artery and basilar artery |
| Which arteries branch off the basilar artery to supply the cerebellum? | Anterior inferior cerebellar artery and superior cerebellar artery |
| Which arteries branch off the internal carotid artery to form the circle of Willis? | Anterior cerebral artery, middle cerebral artery, and posterior communicating artery |
| Which artery is a terminal branch of the internal carotid artery and connected to the corresponding artery of the opposite side via the anterior communicating artery? | Anterior cerebral artery |
| Which arteries are branches of the internal carotid artery? | Anterior choroidal artery and ophthalmic artery |
| Which artery arises from the bifurcation of the basilar artery? | Posterior cerebral artery |
| Which artery is in most cases given off by the anterior inferior cerebellar artery to supply the inner ear? | Labyrinthine artery |
| Which artery usually gives off lenticulostriate arteries? | Middle cerebral artery |
| Which artery connects the two anterior cerebral arteries? | Anterior communicating artery |
| Through the transverse foramen of which vertebra does the vertebral artery usually pass after arising from the subclavian artery? | Vertebra C6 |
| Which arteries are involved in the vascular supply of the frontal lobe? | Anterior cerebral artery, callosomarginal artery, lateral orbitofrontal artery, and pericallosal artery |
| At the level of which vertebra does the internal carotid artery branch off the common carotid artery? | Vertebra C4 |
| Which artery supplies the pineal body, midbrain and superior surface of the cerebellum? | Superior cerebellar artery |
| Which arteries comprise the posterior circulation of the brain? | Posterior cerebral artery and posterior communicating artery |
| Which branch of the internal carotid artery is the largest and most susceptible to embolism? | Middle cerebral artery |
| Which artery anastomoses with the vertebral artery during its course in the neck? | Ascending cervical artery |
| Which arteries are involved in the vascular supply of the parietal lobe? | Callosomarginal artery, middle cerebral artery, pericallosal artery, and posterior cerebral artery |
| Which artery connects the internal carotid artery to the posterior cerebral artery? | Posterior communicating artery |
| Which arteries connect the three large cerebral arteries into the circle of Willis? | Anterior and posterior communicating arteries |
| Which artery gives off the vertebral artery? | Subclavian artery |
| Which arteries provide branches for the Circle of Willis? | Internal carotid artery and vertebral artery |
| During embryogenesis in the fourth week of gestation, which artery forms by the fusion of the third branchial arch arteries and the distal components of the dorsal aortae? | Internal carotid artery |
| Which of the following arteries supply the inferior surface of the cerebellum? | Anterior inferior cerebellar artery and posterior inferior cerebellar artery |
| Which artery connects the left and right anterior cerebral arteries? | Anterior communicating artery |
| Which artery is the main source of blood supply to the inferior surface of the cerebrum? | Posterior cerebral artery |
| Which artery is formed by uniting the left and right vertebral arteries? | Basilar artery |
| Which artery gives off the internal carotid artery? | Common carotid artery |
| Which artery supplies the choroid plexus, optic chiasm, optic tract, lateral geniculate body and the internal capsule? | Anterior choroidal artery |
| Which artery gives off the meningeal branches near the foramen magnum to supply the falx cerebelli? | Vertebral artery |
| Which branch of the internal carotid artery supplies the contents of the orbit? | Ophthalmic artery |
Created by:
jofreayala
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