When obese mice received daily injections of the peptide hormone leptin, their metabolic rate __________ and their activity level __________.
A. decreased; increased
B. increased; decreased
C. decreased; decreased
D. increased; increased
Answer: D
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According to a model of widow/widower reactions developed by Bonanno and colleagues, _____ grief is characterized by heightened grief that continues to linger following the death of a spouse
a. common b. chronic c. resilient d. improved
What can we conclude about the self-reference effect?
a. Although early research found evidence of this effect, more recent experiments have been unable to demonstrate it. b. Although the self-reference effect operates with children, it does not apply to adolescents or adults. c. The research shows that people are more likely to recall words that apply to themselves, compared to words that do not apply. d. The self-reference effect is one exception to the general tendency for deep levels of processing to be particularly effective in enhancing memory.
Days after breaking his nose in a football game, Ben still perceived a dull pain in his nose. Which pain-sensory neurons are responsible for this sensation?
A) A-delta fibres B) B-gamma fibres C) C fibres D) V fibres
You find that your infant takes great pleasure in the game of peek-a-boo. What Piagetian concept explains this observation?
a. object permanence c. assimilation b. deferred imitation d. preoperations