SOLVED

171) ________________ increases hunger whereas ________________ decreases hunger. a. Ghrelin; cholecystokinin b. Glucose; ghrelin c. Cholecystokinin; ghrelin d. Glucose; cholecystokinin 172) Pretend that you are a researcher studying eating behaviour in rats. If you lesioned the ventromedial hypothalamus in your rats, what is the most likely outcome on their behaviour? a. The rats would eat very little or stop eating entirely. b. The rats would have very little craving to eat and would have to be force fed. c. The rats would continuously feed even though they got “full” quickly. d. The rats would eat until they nearly burst as they didn’t know when to stop eating. 173) ______________ signals the hypothalamus and brain stem to reduce appetite and increase the amount of energy used. a. Glucose b. Cholecystokinin c. Leptin d. Ghrelin 174) Yvonna has noticed that every spring and summer she tends to lose around 5-10 pounds and every winter she gains around 5-10 points. That being said, it doesn’t seem to matter what she does, she always manages to stay around the same weight other than these fluctuations. In this example, which of the following concepts offers the best explanation? a. Glucostatic theory b. Leptin deficiency c. Internal-external theory d. Set point 175) After dinner, Sophia started to read a cookbook that is full of colourful pictures of desserts. She decided to make a cake. After the cake was ready she felt hungry again so she ate the whole cake! This phenomenon can best be explained by a. an eating disorder. b. the glucostatic theory. c. the internal-external theory. d. the genetic reason. 176) What part of the brain is primarily involved in hunger, eating, and satiety? a. Hippocampus b. Hypothalamus c. Thalamus d. Cerebellum 177) According to the ____________ theory, we achieve homeostasis when hunger creates a drive to eat and restore proper levels of glucose in our blood. a. set point b. contrast effect c. incentive d. glucostatic 178) Spencer is a young boy who always seems to be hungry independent of what he eats, and although he gets lots of exercise, he is considered to be obese. According to results from studies in mice, it is likely he is lacking the gene for _________ which aids in reducing appetite. a. leptin b. ghrelin c. cholecystokinin (CCK) d. glucose 179) A mutation in a major __________ receptor gene is responsible for about 6 percent of cases of severe obesity. a. Leptin b. Ghrelin c. Cholecystokinin (CCK) d. Melanocortin-4 180) Raphael loves to watch cooking shows on the Food Network. The shows make him feel hungry all the time, and he finds that he is eating more often and has gained weight. Which theory best explains Raphael’s situation? a. Glucostatic theory b. Homeostasis theory c. Internal-external theory d. Ventromedial theory