According to the most recent research, which of the following statements is true concerning ethnic background and the development of Alzheimer's disease of dementia?
a. Japanese, Nigerian, and Amish have lower rate of prevalence of the disorder
b. Alzheimer's disease is found in roughly the same numbers across all ethnic groups.
c. Educated European ethnic groups have a lower rate of getting the disease.
d. Native Americans have a slightly higher rate of the disorder.
b
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In terms of rough-and-tumble play,
a. there are no gender differences. b. girls engage in this type of play more when young and less as they get older. c. this form of play differs from culture to culture. d. the amount of this type of play increases dramatically as children get older.
The band of nerve fibers connecting the two halves of the brain is known as the ______
Fill in the blank with correct word
The learning of food preferences a. may begin prior to birth
b. begin only after the age of 1 year. c. begin only after the age of 5 years. d. do not begin until after puberty.
Which statement about prenatal sensitive periods with respect to teratogens is true?
A. The fetal period is the time when serious defects are most likely to occur. B. In the germinal period, before implantation, teratogens rarely have any impact. C. During the embryonic period, teratogenic damage is usually minor. D. During the fetal period, teratogens have no impact on the developing organism.