Which of the body's hormones is primarily responsible for inducing sleep?
a. dopamine
b. noradrenaline
c. melatonin
d. testosterone
Answer: C
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__________ doubles the risk of SIDS
A) Failure to tightly swaddle an infant during sleep B) Use of a pacifier or a security blanket C) Placing an infant to sleep on his back D) Cigarette smoking by a caregiver
Standing on one foot requires:
a. maturity of the cerebrum. c. myelination of the amygdala. b. maturation of the corpus callosum. d. gross motor skills.
Johnny says he will not drive above the speed limit simply because he does not want to pay the cost of a speeding ticket. Based on this information, it can be concluded that Johnny is operating at the ________ stage of Kohlberg's theory of moral reasoning.
A. preconventional B. preoperational C. sensorimotor D. concrete operational
An authoritative parent of a very aggressive child with a difficult temperament, who ignores explanations of rules, may __________.
A. try harder to come up with better explanations B. try to be more responsive to the child C. become more authoritarian D. negotiate with the child more often