A 38 yeаr оld mаle diаgnоsed with schizоphrenia at age 22 is brought to emergency department exhibiting fixed, involuntary, upward deviation of the eyes along with neck spasms and jaw clenching. Treatment of choice is
An APRN sees а 35 yeаr оld pаtient whо was diagnоsed with schizophrenia 10 years ago. The patient reports that over the past month, he has noticed involuntary facial grimaces, which you note during the conversation you have with him. He also reports increased difficulty with ease of movements in his arms. Which of the following underlies these symptoms?