Bio 212 Pre lecture Quiz 12 Brain Pathophysiology 1 What is persistent vegetative state Loss of all cognitive functions and unawareness of self and surroundings most people in prolonged coma who survive evolve to this 2 What are early and late manifestations of increased intracranial pressure Early Signs decreased alertness to drowsy small sluggish pupils and light reaction hemiparesis Late Signs stupor coma large nonreactive pupils and light reaction hemiplegia hypertension widened pulse pressure bradycardia abnormal respiratory patterns vomiting 3 Differentiate between cytotoxic and vasogenic edema Cytotoxic increase in intracellular fluid Vasogenic impairs function of blood brain barrier and allows transfer of water and protein from vascular into interstitial space 4 Differentiate between an ischemic and hemorrhagic stroke Ischemic caused by interruption of blood flow in cerebral vessel most common Hemorrhagic blood vessel rupture 5 What are the manifestations of stroke Paralysis problems decision making urinary incontinence contralateral hemiplegia confusion inability to turn eyes one way visual defects loss of sensory modalities tremor spontaneous pain 6 What are the types of glial tumors Primary intracranial tumors of neuroepithelial tissue Primary intracranial tumors that originate in skull cavity but not derived from brain tissue itself Metastatic tumors 7 What is the difference between focal and generalized seizures Focal begin in specific area of cerebral hemisphere two types without impaired consciousness with impaired consciousness Generalized begin simultaneously in both cerebral hemishperes six categories tonic clonic absence myoclonic clonic tonic atonic
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