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13 Cards in this Set
- Front
- Back
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AKINSESIA
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A reduction or absence of psychomotor activity that results in a masklike facial expression and impaired postural reflexes. A classic characteristic of Parkinson's disease.
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BRADYKINESIA
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Slowness of movement; another classic symptom of Parkinson's disease.
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CHOREA
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A condition characterized by involuntary, purposeless, rapid motions such as flexing and extending the fingers, raising and lowering the shoulders, or grimacing
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DYSKINESIA
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An impaired ability to execute voluntary movements
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DYSTONIA
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Impaired or distorted voluntary movement due to a disorder of muscle tone
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EXOGENOUS
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A term describing any substance produced outside fo the body that may be taken intothe body (e.g., a mediction, food, or environmental toxin).
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ON-OFF PHENOMENON
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A common experience of patients taking medication for Parkinson's disease in which they experience periods fo greater symptomatic control ("om" time) alternating with periods of lesser symptomatic control ("off" time).
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PARKINSON'S DISEASE
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A slowly progressive, degenerative neurologic disorder characterized by resting tremor, pill-rolling of the fingers, masklike facies, shuffling gait, forward flexion of the trunk, loss of postural reflexes, and muscle rigidity and weakeness
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POSTURAL INSTABILITY
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A decrease or change in motor and muscle movements that leads to unsteadiness and hesitation in movement and gait when the individual starts or stops walking; occurs in Parkinson's disease
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PRESYNAPTIC
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Drugs that exert their antiparkinsonian effects before the nerve synapse
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RIGIDITY
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Resistance of the muscles to passive movement; leads to the "cogwheel" rigidity seen in Parkinson's disease
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TREMOR
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In Parkinson's disease, shakiness of the extremities seen mostly at rest
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WEARING OFF PHENOMENON
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A gradual worsening of Parkinsonian symptoms as a patient's medications begin to lose their effectiveness, despite maximal dosing with a variety of medications
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