Which of the following statements is true with regard to the rate of Alzheimer's disease dementia for different demographic groups?
a. Males and all non-Caucasian racial groups appear to have lower rates of the disorder
b. No differences are found in the rate of Alzheimer's disease dementia by gender, but some racial differences have been noted.
c. Roughly the same rate of Alzheimer's disease dementia is found among ethnic groups, but women appear to have a slightly higher rate of the disorder than men.
d. No differences in the rate of the disorder by race or gender have been noted.
c
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Which of the following groups of Romanian born children adopted by British families fared the best in terms of weight gain, intellectual and social development following adoption?
a. those who were adopted between the ages of 6 and 24 months b. those who were adopted before the age of 6 months c. those who were adopted between the ages of 24 and 42 months d. all of the adopted children fared equally poorly in terms of weight gain
If a new species were found with legs composed almost completely of fast-twitch muscles, what could we infer about its behavior? a. It could chase prey over long distances
b. It could chase prey only over short distances. c. It probably travels constantly. d. It probably moves slowly and grazes on vegetation.