A patient diagnosed with Parkinson's disease begins levodopa therapy. The nurse understands that administration of levodopa will
a. improve symptoms of Parkinson's disease by increasing dopamine in the CNS.
b. improve symptoms of Parkinson's disease by decreasing levels of GABA.
c. cause the patient to develop symptoms of depression and an unsteady gait.
d. lead to an increased risk of dysphagia.
A
Levodopa is converted to dopamine in the central nervous system (CNS), so its administration will cause a reduction in the symptoms of Parkinson's disease related to dopamine deficiency. The other options are incorrect. Levodopa increases dopamine levels. Levodopa is not associated with changes in ?-aminobutyric acid (GABA). Levodopa will improve the patient's swallowing ability and gait, and will reduce symptoms of depression.
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