After Taking Chlorpromazine (Thorazine) for 1 Month, a Client Presents $\circ$

After taking chlorpromazine (Thorazine) for 1 month, a client presents to an emergency department (ED) with severe muscle rigidity, tachycardia, and a temperature of 105^oF (40.5 ^$\circ$ C) . The nurse expects the physician to recognize which condition and implement which treatment?

A) Neuroleptic malignant syndrome and treat by discontinuing Thorazine and administering dantrolene (Dantrium)
B) Neuroleptic malignant syndrome and treat by increasing Thorazine dosage and administering an antianxiety medication
C) Dystonia and treat by administering trihexyphenidyl (Artane)
D) Dystonia and treat by administering bromocriptine (Parlodel)