1. Which of the following statements is TRUE aboutschizophrenia?
| Not taking care of one's hygiene and avoiding socialinteraction are aspects of avolition, a negative symptom. |
| Schizophrenia may involve multiple personalities which attemptto reduce the patient's obsessions by engaging in thecompulsions. |
| The risk of developing schizophrenia is the same for anidentical twin of a person with schizophrenia as it is for a cousinof a person with schizophrenia. |
| Hallucinations in schizophrenia are most commonly olfactory ortactile. |
2. Which of the following factors has been associated with ahigher risk of schizophrenia?
| Eating a poor diet and developing amyloid plaques and tanglesin the brain |
| Having unusually small ventricles (fluid-filled cavities) inthe brain |
| Being born during the months with the greatest amount ofsunlight |
3. Rishi, a high school student withschizophrenia, has enrolled in a longitudinal brain scanningexperiment in which his brain structure is measured for 5 years tosee how it might change over time. What are the researchers likelyto see in Rishi's brain? Â