A client receiving long-term treatment with a conventional antipsychotic medication develops rhythmic, involuntary movements of the tongue, jaw, and facial muscles, along with grimacing. The nurse identifies these symptoms as indicative of which adverse effect?

The correct answer to the question "A client receiving long-term treatment with a conventional antipsychotic medication develops rhythmic, involuntary movements of the tongue, jaw, and facial muscles, along with grimacing. The nurse identifies these symptoms as indicative of which adverse effect?" is Option C: Tardive dyskinesia.

The other options — A) Akathisia, B) Dystonia, D) Neuroleptic malignant syndrome — are incorrect for this NCLEX-RN Exam Prep question. As explained above: Tardive dyskinesia is a serious, often irreversible extrapyramidal side effect of long-term antipsychotic use, characterized by involuntary movements, particularly of the face, mouth, tongue, and lim…