Question :
21. After Taki diagnosed with cancer of the stomach, the doctors : 1201997
21. After Taki is diagnosed with cancer of the stomach, the doctors decide to remove his stomach entirely. After the operation, Taki will probably
A. eat much more than before.
B. eat roughly the same amount of food as before.
C. eat much less than before.
D. be unable to regulate his food intake.
22. Jerry is severely overweight. He asks his doctor whether injections of the hormone called leptin would be an effective treatment for his obesity. His doctor will probably inform him that a leptin injection
A. would not be effective because leptin has no role in regulating body fat.
B. is effective in helping most obese people lose weight and body fat.
C. would reduce his weight but would negatively affect his muscle tissue.
D. is not very effective in reducing weight for most obese individuals.
23. Pedro has always been of average weight and build. However, over the past year his eating habits and his weight have changed drastically. He now seems to eat constantly, and he has gained more than seventy-five pounds. Pedro most likely has damage to his
A. lateral hypothalamus.
B. thalamus.
C. ventromedial nucleus.
D. paraventricular nucleus.
24. When Tippy, the baseball mascot, was hit by a low-flying fastball, his ventromedial nucleus was injured. For dinner that night, Tippy most likely ate
A. a normal dinner.
B. nothing.
C. more than usual.
D. no food but drank lots of water.
25. Due to a freak accident involving reindeer games, a sleigh, and some of Santa’s elves, Rudolph’s lateral hypothalamus was destroyed. As a result, Rudolph will most likely
A. overeat, well past the point of satiation.
B. have intense cravings for his favorite foods.
C. lose the desire to eat, nearly starving himself.
D. become a finicky eater, preferring only foods high in fat.
26. Rory and Dory are identical twin rats. Rory’s lateral hypothalamus was destroyed in a tragic exercise wheel accident. The ventromedial nucleus of Dory’s hypothalamus has an electrode implanted in it that is constantly stimulating that part of her brain. This situation has existed for a week now. How does Rory’s weight compare to Dory’s?
A. Rory weighs much more than Dory
B. Dory weighs much more than Rory
C. Dory and Rory are both tremendously overweight
D. Dory and Rory are both extremely underweight
27. Sabrina is trying to lose weight with a low-carbohydrate diet. She knows that this is an effective short-term plan, but she finds herself craving everything that contains carbohydrates. The brain chemical responsible for her cravings is
A. enterostatin.
B. galanin.
C. neuropeptide Y.
D. serotonin.
28. Dr. Luze-Moore is working on a drug that will curb people’s appetite for high-fat foods. Based on your reading of the textbook, Dr. Luze-Moore would do best to focus on a way to block the stimulation of what neurotransmitter?
A. Enterostatin
B. Galanin
C. Serotonin
D. Neuropeptide Y
29. Rats who are given a variety of foods instead of their regular lab diet will
A. become more selective eaters.
B. continue to eat the same number of calories.
C. increase their caloric consumption.
D. decrease their caloric consumption.
30. Homer eats a huge meal before going to a baseball game with his friends. Despite feeling full, he buys a hot dog and popcorn once he gets to the stadium. This example best illustrates the effect of _____ on eating.
A. homeostasis
B. sociocultural influences
C. leptin deficiency
D. social referencing
