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Which system could experience tardive dyskinesia as a side effect of medication?

  1. Gastrointestinal system

  2. Nervous system

  3. Musculoskeletal system

  4. Circulatory system

The correct answer is: Musculoskeletal system

Tardive dyskinesia is a side effect commonly associated with certain medications, especially those used to treat psychiatric conditions such as schizophrenia and bipolar disorder. This condition is characterized by involuntary movements, primarily in the lower face and tongue. Muscles play a significant role in the occurrence of tardive dyskinesia. The correct answer is the musculoskeletal system because tardive dyskinesia affects the muscle movements in the body. This condition arises due to long-term use of certain medications that interfere with the neurotransmitters in the brain, leading to uncontrollable muscle movements. While the other systems listed could potentially have side effects from medications, such as gastrointestinal disturbances or changes in heart rate from medications affecting the circulatory system, it is the musculoskeletal system that is most directly related to tardive dyskinesia.