Why does sleep deprivation increase the risk for obesity and diabetes?
A. Sleep deprivation reduces the amount of adenosine released.
B. Sleep deprivation turns off the VLPO switch.
C. Sleep deprivation changes appetite-related hormones and increases the amount of insulin released.
D. Sleep deprivation disrupts the brain use of melatonin.
Answer: C
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Which statement about strokes is accurate?
a. Survivors can never recover. b. Survivors generally require short-term care. c. Strokes are a significant cause of disability. d. Most strokes occur in individuals younger than 50 years of age.
"Mom always liked you best!" was a frequent punchline of the Smothers Brothers' comedy routine in the 1960s. To the extent that parents have favorites among siblings, ____ is demonstrated at home
a. heritability b. canalization c. shared environmental influence d. nonshared environmental influence
Sam gets a free pretzel using his Pretzel Smorgasbord card with every 10th pretzel he buys. This arrangement is an example of which type of reinforcement schedule?
A) variable-interval B) fixed-interval C) fixed-ratio D) variable-ratio
Which statement most accurately depicts the role of "predictability" as discovered in research on stress?
a. It does not affect the impact of stress. b. It makes stress boring and therefore less tolerable. c. It increases the impact of stress. d. It decreases the impact of stress.