Question: For the past 9 months, Joan has been taking a first-generation antipsychotic drug to treat symptoms associated with her diagnosis of schizophrenia. Although she has fewer auditory hallucinations, Joan now experiences muscle tremors and rigidity to the point where she can no longer dress herself. It is likely that she is experiencing: Group of answer choices neuroleptic malignant syndrome. catatonia. Parkinsonian symptoms. tardive dyskinesia.