Answer:
c. increase; increasing
Step-by-step explanation:
In people with schizophrenia, increased dopamine levels can exacerbate the symptoms of the disorder. Schizophrenia is a serious mental illness characterized by a range of symptoms, including delusions, hallucinations, and abnormal thinking and behavior. It is thought that abnormalities in dopamine signaling may contribute to the development and maintenance of these symptoms. Therefore, using cocaine, which increases dopamine levels, may increase the severity of symptoms in people with schizophrenia.