Which statement is true of ghrelin?
A. Fasting reduces blood levels of ghrelin.
B. Blood levels of ghrelin are increased after a meal.
C. Infusion of ghrelin into the brain stimulates food intake.
D. Infusion of ghrelin into the gut suppresses the secretion of glucagon.
Answer: C
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Research has found that when junior and senior high school students are confronted with peer pressure to behave in clearly antisocial ways, such as stealing, they typically a. acquiesce
b. resist. c. talk to their parents about the pressure. d. blog about it on the Internet.
A man is hiking in the woods and a branch passes so close to his face that it brushes his eyelashes. The man quickly squeezes his eyes shut as soon as he senses the branch is touching his eye area. His reaction of squeezing his eyes shut is a(n) _____.
a. unconditioned stimulus (US) b. unconditioned response (UR) c. conditioned stimulus (CS) d. conditioned response (CR)
What is pooled variance?
a. The weighted average of the sample variances b. The variance of the difference between the sample means c. The sum of the two sample variances d. The variance of the populations from which the samples were drawn
Greg now says "bafe" for "bake" and "seep" for "soap" because a stroke damaged
a. his amygdala. b. Wernicke's area. c. Broca's area. d. his hypothalamus.