The nurse is caring for a patient who has Parkinson's disease and has been prescribed an antiparkinson medication. During the course of the treatment, the patient reports urine discoloration and stomach upset. Which antiparkinson medication was prescribed to the patient?
A. Ropinirole [Requip]
B. Tolcapone [Tasmar]
C. Benztropine [Cogentin]
D. Amantadine [Symmetrel]