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.
Answer: B
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According to the National Institute of Health and the American Heart Association, a healthy weight is defined as having a body mass index (BMI) at or below ____
a. 25 b. 22 c. 16 d. 20
According to the study on binge drinking in Module Two, what might account for the relationship between binge drinking and poor health?
A. drinking suppresses the immune system B. people who binge drink are initially more unhealthy than nondrinkers C. binge drinking makes the person more susceptible to viruses D. those who binge drink may have a lifestyle that contributes to poor health
Selection bias is a threat to external validity
a. True b. False Indicate whether the statement is true or false
What type of assessment modality examines characteristics or behavior of an unaware person?
a) Psychobiological b) Direct observations c) Global ratings d) Unobtrusiveness