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Lifespan Development Exam 2
Questions and Answers (100%
Correct Answers) Already Graded A+
Preschool Years— Ans: 3-6 years old
© 2026 Assignment
Middle Childhood— Ans: 6-adolescents
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Adolescence— Ans: 10-13 years
Expert
Physical Growth in Early Childhood— Ans: loss of baby fat,
more slender, body proportions become more adult like
Physical Growth in Middle Childhood— Ans: slow and steady
but growing never stops
Malnutrition is a leading cause of mortality in— Ans:
DEVELOPING world
Childhood Obesity— Ans: body weight that is 20% or MORE of
the average weight for a given age and height
Today's Obesity Rates— Ans: 17% (1 in 3 children in poverty
are obese)
Action items from CDC— Ans: increase physical activity
increase fruit and veggie intake
reduce energy-dense food and sugar consumption
, 2
increase breastfeeding initiation and duration
Illness among preschoolers— Ans: generally a time of good
health for US preschoolers...develop empathy
Injuries— Ans: children are twice as likely to die from
injuries than illness in the preschool years
Injury Prone— Ans: high levels of physical activity, curiosity,
lack of cognitive development=lack of judgment, boys more
© 2026 Assignment
than girls, optimistic bias, less supervised
Largest Risk— Ans: unintentional injuries
Guru01 - Stuvia
Expert
7.3/100,000— Ans: deaths from unintentional injuries
Synaptic Blooming and Pruning— Ans: increased
lateralization
gender and culture differences emerge
corpus collusum becomes thicker
Myelination— Ans: increased attention and concentration
(executive)
hippocampus myelination: increased memory abilities
cerebellum: increased control over movement
key for FINE motor development
Prefrontal Cortex— Ans: frontal lobes -- key and related to
sophisticated information processing, key in forming the
, 3
ability to increase attention and concentration (executive
control)
Brain becomes more _______ and less _______— Ans: organized
; plastic
Relationship between DIET and EXERCISE— Ans: less
exercise(more tv), poorer diet(greater food intake) ; more
exercise(less tv), better diet(less food intake)
© 2026 Assignment
Piaget's Preoperational Stage— Ans: stage is marked by a
decrease in reliance on sensorimotor activity for cognitive
development
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Expert
Centration— Ans: children concentrate on one aspect of a
stimulus and ignore other aspects
Egocentric Thought— Ans: children are unable to take the
perspective of others -- not in a selfish way
Conservation— Ans: children are unable to understand that
quantity is unrelated to physical arrangement
Animism— Ans: ascribing lifelike qualities to inanimate
objects
Intuitive Thought— Ans: when you know something about
the world, but you don't know how it is you know it
Concrete Operational Thought— Ans: decentering, logical
operations are used to solve concrete problems
Decentering— Ans: less egocentric thinking, the ability to
take multiple aspects of a problem into account at the same
time
Lifespan Development Exam 2
Questions and Answers (100%
Correct Answers) Already Graded A+
Preschool Years— Ans: 3-6 years old
© 2026 Assignment
Middle Childhood— Ans: 6-adolescents
Guru01 - Stuvia
Adolescence— Ans: 10-13 years
Expert
Physical Growth in Early Childhood— Ans: loss of baby fat,
more slender, body proportions become more adult like
Physical Growth in Middle Childhood— Ans: slow and steady
but growing never stops
Malnutrition is a leading cause of mortality in— Ans:
DEVELOPING world
Childhood Obesity— Ans: body weight that is 20% or MORE of
the average weight for a given age and height
Today's Obesity Rates— Ans: 17% (1 in 3 children in poverty
are obese)
Action items from CDC— Ans: increase physical activity
increase fruit and veggie intake
reduce energy-dense food and sugar consumption
, 2
increase breastfeeding initiation and duration
Illness among preschoolers— Ans: generally a time of good
health for US preschoolers...develop empathy
Injuries— Ans: children are twice as likely to die from
injuries than illness in the preschool years
Injury Prone— Ans: high levels of physical activity, curiosity,
lack of cognitive development=lack of judgment, boys more
© 2026 Assignment
than girls, optimistic bias, less supervised
Largest Risk— Ans: unintentional injuries
Guru01 - Stuvia
Expert
7.3/100,000— Ans: deaths from unintentional injuries
Synaptic Blooming and Pruning— Ans: increased
lateralization
gender and culture differences emerge
corpus collusum becomes thicker
Myelination— Ans: increased attention and concentration
(executive)
hippocampus myelination: increased memory abilities
cerebellum: increased control over movement
key for FINE motor development
Prefrontal Cortex— Ans: frontal lobes -- key and related to
sophisticated information processing, key in forming the
, 3
ability to increase attention and concentration (executive
control)
Brain becomes more _______ and less _______— Ans: organized
; plastic
Relationship between DIET and EXERCISE— Ans: less
exercise(more tv), poorer diet(greater food intake) ; more
exercise(less tv), better diet(less food intake)
© 2026 Assignment
Piaget's Preoperational Stage— Ans: stage is marked by a
decrease in reliance on sensorimotor activity for cognitive
development
Guru01 - Stuvia
Expert
Centration— Ans: children concentrate on one aspect of a
stimulus and ignore other aspects
Egocentric Thought— Ans: children are unable to take the
perspective of others -- not in a selfish way
Conservation— Ans: children are unable to understand that
quantity is unrelated to physical arrangement
Animism— Ans: ascribing lifelike qualities to inanimate
objects
Intuitive Thought— Ans: when you know something about
the world, but you don't know how it is you know it
Concrete Operational Thought— Ans: decentering, logical
operations are used to solve concrete problems
Decentering— Ans: less egocentric thinking, the ability to
take multiple aspects of a problem into account at the same
time
