EXAM 2 REVIEW Flashcards
Which of the following statements demonstrates the cephalocaudal trend?
At birth, the head takes up one-fourth of total body length, the legs only one-third.
The best estimate of a child’s physical maturity is
skeletal age.
Skeletal age is determined by __________ to see the extent to which soft, pliable cartilage has hardened into bone.
X-raying the long bones of the body
At age 2, which of the following children is most likely to be ahead of the others in skeletal age?
Ruby, an African-American girl
A surprising aspect of brain growth is that
as synapses form, 20 to 80% of the surrounding neurons die.
__________ are responsible for coating neural fibers with an insulating fatty sheath.
Glial cells
__________ improves the efficiency of message transfer.
Myelination
Between birth and 2 years,
the organization of sleep and wakefulness changes substantially.
As long as negative environmental influences such as poor nutrition or illness are not severe,
children and adolescents typically show catch-up growth once conditions improve.
Which of the following statements about breastfeeding is true?
Breastfed infants accept new solid foods more easily than do bottle-fed infants.
The World Health Organization recommends breastfeeding until age __________, with solid foods added at __________.
The World Health Organization recommends breastfeeding until age 2 years, with solid foods added at 6 months.
Which of the following statements regarding breastfeeding is true?
Breastfeeding helps increase spacing among siblings.
Which of the following responses is very difficult to classically condition in young babies?
fear
Once habituation occurs, a new stimulus causes responsiveness to return to a high level, an increase called
recovery
Which of the following is an example of a gross-motor skill?
climbing
Baby Isaac combined his skills of kicking, rocking on all fours, and reaching in order to crawl.
This is an example of
dynamic systems of action.
Dynamic systems theory shows us why motor development
cannot be genetically determined.
By the end of the first year, a baby’s ability to manipulate objects greatly expands with the development of
the pincer grasp.
Perception studies demonstrate that
Western babies lose their ability to detect deviations in foreign musical rhythms by 12 months of age.
Which of the following statements about intermodal stimulation is true?
It fosters all aspects of psychological development.
In Piaget’s sensorimotor stage, infants and toddlers
“think” with their eyes, ears, hands, and other sensorimotor equipment.
At 6 months, Annabelle dropped her rattle in a fairly rigid way.
By 12 months, she tossed objects down the basement stairs, bounced them off walls, and threw them in the air.
Annabelle’s modifications of her dropping scheme are an example of
accommodation
In Piaget’s theory, a circular reaction is a means of building schemes in which infants
try to repeat chance motor activities again and again.
According to Piaget’s theory, when Baby D’Arcy sucks her thumb, she is demonstrating
a primary circular reaction.