Taking nonprescription drugs to fight insomnia is probably not a good idea because they
a. have little or no sleep-inducing effect.
b. suppress Stage 4 and dream sleep.
c. interfere with normal sleep cycles.
d. increase the frequency of microsleeps.
ANSWER: a
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During which stage in Piaget's system is the child FIRST able to handle conservation problems and hierarchical classification problems?
a. sensorimotor b. preoperational c. concrete operations d. formal operations
A child who displays risk-taking behavior is also impulsive and vice versa
Indicate whether the statement is true or false
The term age grade refers to a
a. group of individuals who are all the same mental age. b. socially defined age group, with culture-specific assigned roles, privileges, and responsibilities. c. universally defined age group, with universal roles, privileges, and responsibilities. d. group of children assigned at a specific age to a specific grade in school.
Which of the following can help individuals meet their peak bone density?
A. engaging in cardiovascular exercise B. avoiding weight-bearing exercise C. taking vitamin C supplements D. consuming a diet rich in calcium