Which of the Following Statements Reflects "Circumstantial Evidence" for the Dopamine

question 78

Multiple Choice

Which of the following statements reflects "circumstantial evidence" for the dopamine theory of schizophrenia?

• A)Antipsychotic drugs (neuroleptics) act as dopamine agonists, increasing the amount of dopamine in the brain.
• B)Antipsychotic drugs (neuroleptics) can produce symptoms similar to those of Parkinson's disease (a disorder due to insufficient dopamine).
• C)The drug L-dopa, a dopamine agonist, is used to treat schizophrenic symptoms in patients with Parkinson's disease.
• D)Amphetamines, which activate dopamine, can lessen psychotic symptoms in people with schizophrenia.

---

Definitions:

Electromyography

A diagnostic procedure that assesses the health of muscles and the nerve cells that control them by measuring the electrical activity.

Skeletal Muscles

Voluntary muscles attached to the skeleton that are responsible for movement and are controlled consciously.

Hyoid Bone

A U-shaped bone in the neck that supports the tongue and is associated with swallowing and speech.

Omohyoid

A muscle in the neck that acts to lower the hyoid bone and larynx during swallowing and speech.