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nerves of brain
| Question | Answer |
|---|---|
| what makes up the diencephalon | thalamus,hypothalamus |
| 3 parts that mke up brain stem | midbrain,pons,medulla oblongata |
| cerebellum | little brain |
| meninge | 3 layers of connective tissue surounds brain and spinal to form complete enclosure |
| outer most meninge | dura matter |
| function of dural sinuses | drainage of blood coming from brain tissue |
| innermost meninge that follow contour of brain | pia mater |
| how does CSF get from lateral ventricles to third ventricles | formina |
| cerebral cortex | outer nervous tissue of the cerebral hemispheres in grey matter |
| gyrus | folds forming elevated portions |
| sylcus | shallow grooves of cortex |
| what seperates the frontal and parietal lobes | central sulcus |
| which lobe contains the primary sensory area that interprets impulses from skin | parietal lobe |
| which lobe contains visual areas | occipital lobe |
| where is the occipital lobe located | posterior to the parietal lobe and extends over the cerebellum |
| person suffered damage to the auditory association will have problem with | interpreting sound |
| person with damage to the broca area will have trouble with | producing speech |
| what forms the lateral wall of the third ventricle | two parts of the thalmus |
| what does the hypo thalmus control | body temp,water balance,sleep, appetite,some emotions(fear,pleasure) |
| what shape is hippocampus and its functions | sea horse,learning and the formation of long term memory |
| what reflexes does midbrain control | eye,ear |
| 3 techniques for studing the brain | ct scan,MRI,PET |
| electroencephalograph | instrument used to study electrical activity in the brain |
| encephalitis | inflamation of the brain |
| hydrocephalus | abnormal accumulation of the CSF within the brain,normal in infants,treated with shunt to drain excess CSF |
| causes of cerebrovascular accidents | blood clots,rupture of bllod vessel,cerebral hemorrage,stroke |
| cerebral palsy | caused by brain damage befor or during birth process,diverse muscular disorders,slight weakness of lower extremity muscles,paralysis of all 4 extremities,speech muscles |
| epilepsy | chronic disorder involving an abnormality of the brains electrical activity w/ or w/out apparent changes in nervous tissue |
| most brain tumors are classafied as | gliomas |
| epidural hematoma | bleeding between the dura matter and the skull |
| what causes cerebral concussion | blow to the head or from sudden movementof the brain against the skull as in violent shaking |
| effects of cerebral concussion | loss of conciousness,headache,dizziness,vomiting,paralysis and impared brain function |
| what does alzheimers cause | sever intellectual impairment with mood changes and confusion |
| multi infarct dementia and causes | accumulation of brain damage resulting from chronic ischmia,lack of blood supply,stroke |
| parkinson disease characterized by | tremors,rigidity of limbs and joints, slow movement,impared balance |
| what kind of impulses does olfactory carry | smell |
| what does the vagus nerve control | larynx and pharynx |
| what does the hypoglossal nerve control | muscles of the tongue |
| what does oculomotor control | contraction of most eye muscles |
| in glaucoma there is a increase pressure of the eye fluid on which nerve | optic nerve |
| in bell palsy facial paralysis is caused by damage of which nerve | facial nerve |
| trigeminal neuralgia | sever spasmadic pain affecting the fifth cranial nerve |
| I (1)olfactory | sense of smell |
| II (2)optic | impulses from eye to brain |
| III(3)oculomotor | controls contraction of eye muscles |
| IV (4)trochlear | supplies one eye ball |
| V(5)trigeminal | impulses from eye,upper and lower jaw to brain |
| VI(6)abducens | controls eyeball muscles |
| VII(7)facial | controls muscles of facial expression,sensation of taste |
| VIII(8)vestibulocochlear | impulses from hearing and equilibrium from inner ear |
| IX(9)glossopharyngeal | impulses from tongue and pharynx,swalling muscles |
| X(10)vagus | supplies most organs in thoracic and abdominal cavities,impulses to larnx and pharynx |
| XI(11)accessory | controls muscles in neck and larynx |
| XII(12)hypoglossal | controls muscles of tounge |
Created by:
cornejo
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