111)The average IQ gap between severely malnourished children and well-nourished children can be as high as: A)20 points. B)30 points. C)40 points. D)50 points. 112)The average IQ gap between severely malnourished children and well-nourished children can be as high as: A)3 points. B)9 points. C)16 points. D)20 points. 113)Family circumstances that can reduce intellectual competence include all of the following EXCEPT: A)absent father. B)mother with a history of mental illness. C)limited parental work skills. D)one or more siblings. 114)Rising IQ scores over the past three decades in developed countries are perhaps the best evidence for: A)how quickly genes can mutate through the process of evolution. B)the highly heritable nature of intelligence. C)the fundamental genetic differences between different groups of people. D)the importance of environmental influences on intelligence. 115)Raw scores on IQ tests have ________ in developed countries for the past several decades. A)been rising B)stayed the same C)been falling D)fluctuated frequently 116)Lead can damage the nervous system and lead to lower IQ scores. Research in the United States indicates that the concentration of lead in black children’s blood is ________ higher than in white children’s blood. A)50% B)35% C)20% D)5% 117)In regard to heredity and environment, it would be accurate to say that: A)overall, genes cause our personalities. B)overall, environment causes our IQ scores. C)the world would be a better place if certain kinds of genes prevailed. D)nature loves genetic diversity, not similarity. 118)PKU (phenylketonuria) is a disorder that: A)is correlated with an increased incidence of schizophrenia. B)always causes mental retardation. C)prevents the body from assimilating protein. D)is made worse when the person lives in stressful family circumstances. 119)Which of the following is NOT a potential problem that could result from routine genetic testing? A)Genetic information could be used to discriminate against individuals. B)Knowing about a genetic predisposition could result in a premature diagnosis or a self-fulfilling prophecy. C)Genetic testing could be seen as absolving a person from individual responsibility. D)Genetic testing could be liberating for parents of a child with a genetic disorder.