PSYC 309 Chapter 5 Test Questions Answered Correctly Latest Update 2025-2026
Which of the following statements about early growth is true? - Answers Infants and toddlers
grow in little spurts.
Debra noticed 8mo old son, Charles, was becoming round and plump. What can you tell Debra
about this early rise in "baby fat"? - Answers Charles rise in baby fat will help him maintain a
constant body temperature.
In the prenatal period, the head, chest, and trunk grow first , then arms and legs, and finally
hands and feet. This is known as ____________ of physical growth. - Answers The proximodistal
trend
Which of the following statements about skeletal age is true? - Answers The gap between the
sexes in skeletal age widens over infancy and childhood.
In a process called synaptic pruning, seldom stimulated neurons: - Answers lose their synapses
so they can support future development.
Deliah, infant researcher, wants to find out which areas of the cerebral cortex are activated
when a 4 mo olds process a visual pattern. Which measure of brain functioning should she use?
- Answers NIRS
The ____________ contains the greatest number of neurons and synapses. - Answers cerebral
cortex
In most newborns, the - Answers right hemisphere of the brain reacts more strongly to stimuli
that evoke negative emotion.
Which of the following statements regarding brain plasticity is true? - Answers reorganization
can occur in adulthood but is far more limited in childhood
Neurobiological findings indicate that early, prolonged institutionalization - Answers leads to a
generalized decrease in activity of the cerebral cortex, especially the prefrontal cortex.
Parents have a 3 mo old, demanding work schedules. They should know that - Answers Only at
the end of the first year, as REM sleep declines, do infants move in the direction of adultlike
sleep-wake schedule.
Which of the following statements about breastfeeding is true? - Answers Breastfed babies
require more frequent feedings than bottle-fed babies.
In a study in which researchers made periodic home visits to several hundred US low-income,
first-time mothers and their babies, the majority of - Answers babies were fed solid foods and
juices too soon.
To induce improvements in infant feeding practices, in 2009 , US Special Supplemental Nutrition
Which of the following statements about early growth is true? - Answers Infants and toddlers
grow in little spurts.
Debra noticed 8mo old son, Charles, was becoming round and plump. What can you tell Debra
about this early rise in "baby fat"? - Answers Charles rise in baby fat will help him maintain a
constant body temperature.
In the prenatal period, the head, chest, and trunk grow first , then arms and legs, and finally
hands and feet. This is known as ____________ of physical growth. - Answers The proximodistal
trend
Which of the following statements about skeletal age is true? - Answers The gap between the
sexes in skeletal age widens over infancy and childhood.
In a process called synaptic pruning, seldom stimulated neurons: - Answers lose their synapses
so they can support future development.
Deliah, infant researcher, wants to find out which areas of the cerebral cortex are activated
when a 4 mo olds process a visual pattern. Which measure of brain functioning should she use?
- Answers NIRS
The ____________ contains the greatest number of neurons and synapses. - Answers cerebral
cortex
In most newborns, the - Answers right hemisphere of the brain reacts more strongly to stimuli
that evoke negative emotion.
Which of the following statements regarding brain plasticity is true? - Answers reorganization
can occur in adulthood but is far more limited in childhood
Neurobiological findings indicate that early, prolonged institutionalization - Answers leads to a
generalized decrease in activity of the cerebral cortex, especially the prefrontal cortex.
Parents have a 3 mo old, demanding work schedules. They should know that - Answers Only at
the end of the first year, as REM sleep declines, do infants move in the direction of adultlike
sleep-wake schedule.
Which of the following statements about breastfeeding is true? - Answers Breastfed babies
require more frequent feedings than bottle-fed babies.
In a study in which researchers made periodic home visits to several hundred US low-income,
first-time mothers and their babies, the majority of - Answers babies were fed solid foods and
juices too soon.
To induce improvements in infant feeding practices, in 2009 , US Special Supplemental Nutrition
