Anatomy & Histology · single question
A patient on long-term antipsychotics develops involuntary, repetitive movements of the face and tongue (lip-smacking, tongue protrusion). This is:
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Correct answer: A. Tardive dyskinesia
- A. Correct. Tardive dyskinesia is a movement disorder of repetitive involuntary orofacial movements from prolonged dopamine-blocking (antipsychotic) drugs.
- B. Bell's palsy is paralysis, not involuntary movement.
- C. Trigeminal neuralgia is pain, not movement.
- D. Bruxism is grinding/clenching, a different parafunction.
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