Autism
a. is 3 to 4 times more common in girls than boys.
b. is more likely to strike a child from a low socioeconomic background.
c. shows very strong ethnic differences.
d. is 4 to 5 times more common in boys than in girls.
d
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The textbook suggests that the likelihood of following recommended screening guidelines is positively associated with ______.
A. both education and income B. education, but not income C. income, but not education D. neither education nor income Ans: A
Which of the following is a misconception about genetics and behavior?
A. Genes determine potential. B. Just because a disorder runs in families does not mean genetics are the reason. C. Genetic research strategies provide useful tests of the influence of the environment on behavior. D. Genetics influence behavior by making the person more or less susceptible to environmental influences.
Current approaches to the physiology of stress have found that ________
a. most of Selye's ideas about the general adaptation syndrome were incorrect because the biological changes are not adaptive in the short run. b. when you are under stress, the hypothalamus sends messages to the endocrine glands along two major pathways. c. when you are under stress, the parasympathetic division of the nervous system becomes activated for a "fight or flight" response. d. one result of HPA axis activation is decreased energy, leading a person to become lethargic and apathetic.
____ grow and turn into very large fatty foam cells, which stimulate smooth muscle cells from the middle layer of the arterial wall to migrate to and congregate at the site, causing atherosclerotic plaque to form inside the vascular wall. a. Cholesterol-laden macrophages c. Cholesterol-lacking macrophages b. Cholesterol-laden endothelial cells d. Cholesterol-lacking endothelial cells
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