SOLVED

141) The strongest evidence for a genetic contribution to schizophrenia comes from ________ studies. A) familial B) twin C) adoption D) marriage 142) Adoption studies of schizophrenia have found that schizophrenia ________ when they are raised by normal adoptive parents. A) does not occur among children of schizophrenic biological parents nor among children of normal biological parents B) occurs more frequently among children of schizophrenic biological parents than among children of normal biological parents C) occurs more frequently among children of normal biological parents than among children whose parents had schizophrenia D) occurs equally among the children of normal parents and among the children whose parents had schizophrenia 143) A technique comparing the incidence of schizophrenia among children whose parents either had or didn’t have schizophrenia, and who were reared by adoptive parents who either had or didn’t have schizophrenia, is the ________ study. A) familial B) adoption C) cross-fostering D) cross-sectional 144) According to the 1974 Wender study, which used the cross-fostering approach, children are at the greatest risk of developing schizophrenia when they ________. A) have nonschizophrenic biological parents and were raised by nonschizophrenic adoptive parents B) have nonschizophrenic biological parents and were raised by schizophrenic adoptive parents C) have schizophrenic biological parents no matter what the state of their adoptive parents’ mental health D) were raised by schizophrenic adoptive parents no matter what the state of their biological parents’ mental health 145) Children born to normal parents but raised by schizophrenic adoptive parents are at ________ of developing schizophrenia themselves as children raised by normal parents. A) half the risk B) just the same risk C) twice the risk D) four times the risk 146) Recent research on genetic causes of schizophrenia has found ________. A) no evidence of any specific gene contributing to the development of schizophrenia B) evidence that a single gene, on chromosome 6, is primarily responsible for the development of schizophrenia C) evidence that genes on at least three different chromosomes contribute to the development of schizophrenia D) evidence that genes on virtually every chromosome contribute to the development of schizophrenia 147) The prevailing view of the cause of schizophrenia is the ____________ model, which holds that schizophrenia involves a complex interplay of genetic and environmental factors. A) multiple single gene B) social learning C) cognitive behavioural D) diathesis-stress 148) People with schizophrenia appear to ________ dopamine than other people. A) produce more B) produce less C) utilize more D) utilize less 149) Research suggests that people with schizophrenia have a ________ than normal number of dopamine receptors in the brain and that their receptors are ________ sensitive to dopamine. A) lower; not as B) lower; overly C) greater; not as D) greater; overly 150) Phenothiazines block the action of ________. A) norepinephrine B) serotonin C) dopamine D) thyroxin