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VW NeuroBlood Supply

IS-B1-Neuro Blood Supply

50% of the problems in the cranial cavity are _ and result in neurological deficits. Vascular
The brain receives 15-17% of the _ _ _ and consumes 20% of the _. Total Cardiac Output, Oxygen
If the brain is deprived of blood for 3-5 minutes, _(loss of consciousness, brain damage) may result. Brain damage
The anterior blood supply arises from which major vessel? Internal Carotid Artery
The internal carotid artery gives off the _ as it leaves the cavernous sinus. Ophthalmic
The _ artery supplies the eye and orbit and gives off the central artery of the retina. Ophthalmic Artery
The internal carotid artery gives off the _ which is part of the circle of willis. Posterior Communicating Artery
The internal carotid artery gives off the _ artery which enters the inferior horn of the lateral ventricle, supplies the choroid plexus, cerebral peduncles and the optic tract. Choroidal Artery
The internal carotid artery gives off the _ _ artery which supplies the medial surface of the cerebral cortex. Anterior Cerebral Artery
2 major branches of the ACA are the: pericallosal artery and the callosal marginal artery
The internal carotid artery gives off the _ _ artery which is a direct continuation of the internal carotid and supplies the lateral surface of the hemispheres. Middle Cerebral Artery
The Middle Cerebral Artery gives off the _ arteries which supply major internal structures Lenticulostriate Arteries
The _ arteries are those most commonly involved in a classic stroke. Lenticulostriate Arteries
The _ arteries arise from the subclavian arteries and travel through the transverse foramina of the cervical vertebrae. Vertebral Arteries
The 2 vertebral arteries join together at the base of the pons to form the _ artery. Basilar
2 posterior spinal arteries arise from the _ arteries 25% of the time and from the _ _ _ arteries the other 75%. vertebral, posterior inferior cerebellar arteries
1 _ _ artery is formed from the 2 vertebral arteries. Anterior Spinal Artery
The vertebral artery gives rise to the _ _ _ _ which supplies deep cerebellar structures, inferior cerebellum and the medulla. Posterior Inferior Cerebellar Arteries
The basilar artery gives rise to the _ _ _ arteries which supply the anterior and inferior cerebellum and parts of the medulla and pons Anterior Inferior Cerebellar Arteries
The basilar artery gives rise to the _ arteries which supply the pons. Pontine Arteries
The Paramedian and long and short circumferential arteries are branches of the _ artery. Pontine Artery
The _ _ _ supplies part of the midbrain, pons and superior surface of the cerebellum. Superior Cerebellar Artery
The _ _ _ supplies the occipital love and medial surface of the temporal lobe and sends branches to the midbrain and thalamus Posterior Cerebral Artery
The _ _ artery joins the posterior cerebral artery to the anterior circulation, thus completing the circle of Willis. Posterior Communicating Artery
The Circle of Willis is formed by which arteries? Anterior Communicating Artery, Anterior Cerebral Artery, Internal Carotid Artery, Posterior Communicating Artery, Posterior Cerebral Artery and Basilar Artery.
2 major cerebral arteries terminate in areas called "_" areas, which are susceptible to damage during events of low blood perfusion. Watershed
The 2 major watershed areas "zones" are: Anterior Border Zone and Posterior Border Zone
An _ _ infarct is between the anterior and middle cerebral arteries. Anterior Watershed Infarct
An _ _ _ causes contralateral hemiparesis of the lower extremities, expressive language deficits and behavior changes. Anterior Watershed Infarct
An _ _ infarct is between the middle and posterior cerebral arteries Posterior Watershed Infarct
An _ _ infarct causes visual losses and some language problems Posterior Watershed Infarct
What are the three superficial cerebral veins? Superficial middle cerebral vein Superior anastomotic vein of Trolard Inferior anastomotic vein of Labbe
Where does the superficial middle cerebral vein drain? To the cavernous sinus
Where does the superior anastomotic vein of Trolard drain? To the superior sagittal sinus
Where does the inferior anastomotic vein of Labbe drain? To the transverse sinus
What are the three deep cerebral veins? Thalamostriate vein Internal cerebral veins Great cerebral vein of Galen
The _ sinus drains into the petrosal sinuses which drain into the sigmoid sinus, then the internal jugular veins. Cavernous Sinus
The _ vein of _ receives blood from the medial temporal lobe and drains into the straight sinus Basal Vein of Rosenthal
Describe the drainage of sinuses from the straight sinus to the internal jugular veins. Straight sinus -> confluence of sinuses -> transverse sinus -> sigmoid sinus -> internal jugular veins
Which two arteries supply the spinal cord? Anterior and Posterior Spinal Arteries
The _ _ artery supplies the anterior 2/3 and lateral part of the spinal cord. Anterior Spinal Artery
The anterior horns, anterolateral tracts and lateral corticospinal tracts receive their blood from which spinal artery? Anterior Spinal Artery
The _ _ arteries supply the posterior 1/3 of the spinal cord. Posterior Spinal Arteries
The _ arteries supply the posterior and anterior roots and the dorsal root ganglia. Radicular Arteries
The artery of _ is at T12-L2 on the left and is a major source of blood supply to the lumbar cord. Why is this important? Adamkiewicz. If tied off during surgery, ischemia to the cord and paraplegia ensues.
Lesions involving the _ _ arteries can show sensory losses including fine touch and proprioception. Posterior Spinal Arteries
The dilation of a blood vessel wall in the tunica media Aneurysm
85% of aneurysms occur on branches of this major vessel Internal Carotid
The occlusion of a vessel by extraneous material is called a Cerebral Embolism
The 3 types of hemorrhages in the meninges are: Epidural, Subdural or Subarachnoid
An _ hemorrhage is when extravasated blood strips dura from skull Epidural Hemorrhage
Injury to the meningeal artery or vein can result in an _ hemorrhage Epidural
A _ hemorrhage results from the bridging veins tearing as they enter the superior sagittal sinus from the front or a back blow to the head. Subdural
A _ hemorrhage is caused by trauma or intracranial aneurysm of arteries. Subarachnoid Hemorrhage
Symptoms of this kind of hemorrhage are sudden onset of headache, stiff neck and loss of consciousness. Subarachnoid Hemorrhage
This type of hemorrhage can be caused by hypertension to cause the classic stroke. Cerebral Hemorrhage
A classic stroke aka Cerebral Hemorrhage occurs as a result of damage/occlusion of the _ arteries. Lenticulostriate Arteries
Created by: cherubicsiren
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