Oscar is 75 years old. His doctor has encouraged him to walk briskly each day in order to maintain or improve his cognitive performance. What is the most likely reason for this?
a. ?Exercise may boost neurogenesis, particularly in the amygdala.
b. ?Exercise may reduce excess “noise” in his neural activity.
c. ?A fit cardiovascular system may increase delivery of oxygen to the brain.
d. ?Brisk walking may prevent neural decay, particularly in the amygdala.
ANSWER:
c
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Many of the reflexes that infants are born with have ________ value
a) limited b) no c) survival d) fleeting
Which of the following individuals is MOST LIKELY to have a positive attitude toward people with different backgrounds than themselves?
a. Rich, who is African American and who has been raised in a community that is primarily occupied by other African Americans b. Jay, who is Native American and who has been encouraged by his elders to associate only with other Native American individuals c. Smith, who is Caucasian and who, despite having taken classes in multiculturalism, really has very few friends who are not also Caucasian d. Connor, who is Asian American and has friends who are Caucasian, Latino American, and African American