A nurse is visiting a new patient

A nurse is visiting a new patient in a home care setting. The patient has been diagnosed with Parkinson’s disease. The patient has tremors, mask-like facial expression, and changes in posture and gait. The patient has been started on levodopa. The visiting nurse has to provide some patient teaching on the new medication. What is the advantage of combining levodopa with carbidopa? What is the benefit of anticholinergic drugs in the management of Parkinson disease? Parkinson disease involves the destruction of the substantia nigra and the nigrostriatal pathway. Where are these structures anatomically? The patient with Parkinson disease typically presents with a masklike facial expression. Why does he or she have a masklike facial expression? How are the eyes, mouth, and laryngopharynx affected by this disease? Discuss alternative treatment options available for patients with Parkinson’s disease

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