Which of the following is true of the hormone melatonin? A. Melatonin increases feelings of relaxation and sleepiness,
B. Melatonin decreases feelings of relaxation and sleepiness.
C. Melatonin is released by the hypothalamus.
D. None of the above,

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

Which example is a indication of stress a. becoming more alert b. narrowing air passages c. slowing down if the heartbeat d. decreasing blood sugar with adrenaline

Who is considered the father of modern behavioralism? a fred b jung simmer pavlov