Which of the following best supports the dopamine hypothesis for schizophrenia?

A) Like those with Parkinsonism, those with schizophrenia have unusually low levels of dopamine.
B) Antipsychotic drugs often produce Parkinson-like symptoms.
C) Antipsychotic drugs increase the rate of firing at dopamine receptor sites.
D) Dopamine levels vary across the different kinds of schizophrenia.

Ans: B) Antipsychotic drugs often produce Parkinson-like symptoms.