Kwan, a refugee from Cambodia, feels fine all day, but dies in his sleep. His autopsy shows no identifiable cause for his death. The cause of his death would likely be attributable to ____

Ted is taking notes in an abnormal psychology course; the topic today is the diagnosis of schizophrenia. When Ted reviews the material next week, how might he summarize the material on the symptoms used to identify schizophrenia?

a. No single symptom is indicative of schizophrenia. b. Delusions and hallucinations define the disorder. c. Psychosis is not found in any condition other than schizophrenia. d. The negative symptoms indicate the absence of schizophrenia.

In addition to growth in dendrites, the axons of neurons become coated with ___________, a fatty substance that, like the insulation on an electric wire, provides protection and speeds the transmission of nerve impulses

a. myelin c. neural plastic b. dendrite coats d. axon membrane