Jess is fast asleep, and her roommate Crystal is studying in the next room when their cat knocks a lamp off of the bookshelf. Crystal jumps up from her desk, but Jess remains asleep. What brain structure is responsible for raising or lowering the thresholds of conscious awareness, such that Crystal reacts to the stimulus while Jess does not?

Which of the following statements about continuing education for older adults is true?

A) Community senior centers experience little demand for course offerings for low-SES older adults. B) Continuing education opportunities help older adults overcome their own ingrained stereotypes of aging. C) Government-sponsored programs often partially cover Road Scholar costs for seniors. D) Higher-educated participants in Road Scholar courses report learning the most from their experiences.

Which of the following phenomena would NOT be explained by balance theory?

A) We want to agree with the people we like and disagree with those we dislike. B) We want to see things that are alike in one way as alike in other ways, too. C) We want to return favors that we receive from others. D) We want to associate good things with good people.