Which statement about ghrelin is FALSE?
A) It is produced by the stomach.
B) It signals the brain to turn hunger on.
C) Its release impairs learning and memory while we are hungry.
D) It causes those who are injected with it to eat about 30% more than usual.
C) Its release impairs learning and memory while we are hungry.
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Which of the following explanations accounts for why child pedestrians are at greater risk for getting hit by a car than adult pedestrians?
A. children are more difficult for the eye to see B. drivers assume the child is an adult and estimate that the child is farther away than he or she actually is C. children often move more quickly, resulting in inaccurate estimates of distance D. children's reduced height causes an optical mirage
In his studies on conformity, Asch found that if a group of people espouse an opinion contradictory to one's own opinion, one is most likely to
a. voice the group's opinion. b. echo the opinion of the nearest group member. c. voice one's own opinion, even though it's contradictory. d. show mild symptoms of learned helplessness.
Which of the following combinations include the brain waves associated with wakefulness?
A. Alpha waves, beta waves, and delta waves B. Beta waves, theta waves, and gamma waves C. Alpha waves, beta waves, and gamma waves D. Beta waves theta waves, and delta waves
What is negative reinforcement?
What will be an ideal response?