(PHARM) To evaluate the effectiveness of levodopa-carbidopa, a nurse would watch for which result?

A. Levodopa-carbidopa does not improve cognitive function or memory; it is used for motor symptom control in Parkinson’s disease. B. Visual acuity is not affected by this medication. C. Levodopa-carbidopa works by increasing dopamine levels in the brain, which helps reduce rigidity, bradykinesia, and tremors, improving mobility in clients with Parkinson’s disease. D. Increased dyskinesia is a potential adverse effect of long-term levodopa use, not a sign of effectiveness.