Ch7 set4 Disorders
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22 terms
Terms | Definitions |
|---|---|
 multiple sclerosis symptoms | destruction of myelin sheath; short circuit of neuron; increasingly disabled |
| multiple sclerosis treatment | NO CURE; inject interferon to provide relief |
| exposure to cold and pressure | interruption of blood circulation; loss of impluses |
| ataxia | clumsy; drunk-like; cannot touch finger to nose w/eyes closed; damage to cerebellum |
| meningitis | inflammation of meninges; diagnosed w/spinal tap; affect thinking and learning |
| meningitis treatment | rest for viral; antibiotic IV for bacterial |
| hydrocephalus | accumulation of CSF; shunt needed to drain |
| Alzheimer's | degeneration of brain; abnormal protein deposits and fiber twisting; brain atrophy |
| Parkinson's | lack of dopamine; damage to basal nuclei; persistent hand tremor; trouble initiating movement |
| Huntington's | overstimulaton from excess dopamine; damage to basal nuclei; abrupt, jerky movements |
| flaccid paralysis | no voluntary movement; damage to ventral root |
| spastic paralysis | spinal cord is crushed or transected; reflex arc works; loss of sensory input below damaged area |
| Type A people | overworking leads to high risk for heart disease & high bp; overstimulation of sympathetic |
| Cerebral palsy | voluntary muscles poorly controlled; victims have seizures, mental retardation; caused back lack of oxygen in difficult births |
| Anencephaly | cerebrum does not develop; cannot see, hear, or process sensory inputs |
| Spina Bfida | incomplete formation of vertebrae; least serious = dimple in vertebrae; most serious = spinal contents protrude out = parapalegic |
| Cerebrovascular Accidents (CVA) | aka stroke; blood circulation to a brain is blocked; causes aphasia; vital brain tissues die |
| transient ischemic attack (TIA) | aka "incomplete" stroke; restriction of blood for short period; symptoms = numbness, temporary paralysis, impaired speech |
| concussion | slight brain injury; "see stars", dizzy, loss of consciousness; no permanent damage |
| contusions | tissue destruction; coma if brain stem contusion |
| intracranial hemorrhage | bleeding from ruptured vessels |
| cerebral edema | swelling of the brain b/c inflammatory response |
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