1) in mary rothbarts model of temperament,
a)distractibility and irritable distress are considered opposite ends of the same
dimension.
b)persistence and fearful distress are considered opposite ends of the same dimension.
c)fearful distress and irritable distress distinguish between reactivity triggered by fear
and reactivity due to frustration.
d)the dimensions are overly broad, such as regularity of body functions.
2) ________is the most common vision problem in middle childhood.
a)presbyopia
b)tunnel vision
c)astigmatism
d)myopia
3) in all, about ____ percent of synapses are pruned during childhood and adolescence.
a)20
b)40
c)60
d)80
4) which of the following is true about physical activity in u.s. schools?
a)about 45 percent of elementary and middle schools provide students with physical
education at least three days a week.
b)only about 3 percent of high schools provide students with physical education at least
three days a week.
c)elementary schools have increased recess time due to its contribution in all domains
of development.
d)physical inactivity among u.s. school children is rare.
5) research reveals that when presented with supersized food portions, individuals
increase their food intake on average by ________ percent.
a)5 to 10
b)10 to 15
c)20 to 25
d)25 to 30
6) rachel tells her friends, dont play with jaynie. she dresses funny. this is an example of
________ aggression.
a)hostile
b)instrumental
c)passive
d)relational
7) early sexual activity is more common among young people from ________________
homes.
a)high-income
b)economically disadvantaged
c)middle-income
d)two-parent
8) compared to the other identity statuses, young people who are identity achieved or
actively exploring
a)have lower self-esteem.
b)report a larger discrepancy between their ideal selves and their real selves.
c)are more self-conscious and self-focused.
d)are more advanced in moral reasoning.
9) imparting health concepts to school-age children is difficult because they
a)are far more concerned about schoolwork, friends, and play.
b)have time perspectives that relate past, present, and future.
c)are typically rebellious, and so information provided to them by an authority figure is
likely to be ignored.
d)are skeptical of the media and advertising, which are making a huge effort to promote
healthy living.
10) the ________ becomes the nervous system.
a)ectoderm
b)mesoderm
c)endoderm
d)trophoblast