Exam 1: Chapter 3 - Health promotion of infants (2 days-1 year) Flashcards
what is the head circumference of a full-term newborn
33-35cm, 13-14in
what is the crown to rump length in a full-term newborn
31-35 cm, 12.5-14in. approximately equal to head circumference
what is the length of a full-term newborn
head to heel is 48-53 cm,19-21 in
what is the weight of a full-term newborn
2700-4000g, 6-9lbs
t/f: newborns will lose up to 10% of their birth weight by 3-4 days of age due to fluid shifts, loss of meconium, and limited intake, especially infants who are breastfed.
true
t/f: weight lost in the first 3-4 days after birth will not be regained until a month after birth.
false. it will be regained by the 10th - 14th day of life depending on the feeding method used
What motor skills should be developed by 1 month of age?
Gross: demonstrates head lag
Fine: has a strong grasp reflex
What motor skills should be developed by 2 month of age?
Gross: lifts head off mattress when prone
Fine: holds hands in an open position, grasp reflex is fading
What motor skills should be developed by 3 month of age?
Gross: raises head and shoulders off mattress when prone, only slight head lag
Fine: no longer has a grasp reflex, keeps hands loosely open
What motor skills should be developed by 4 month of age?
Gross: rolls from back to side
Fine: grasps objects with both hands
What motor skills should be developed by 5 month of age?
Gross: rolls from front to back
Fine: uses palmar grasp dominantly
What motor skills should be developed by 6 month of age?
Gross: rolls from back to front
Fine: holds bottle
What motor skills should be developed by 7 month of age?
Gross: bears full weight on feet, sits leaning forward on both hands
Fine: moves objects from hand to hand
What motor skills should be developed by 8 month of age?
Gross: sits unsupported
Fine: begins using pincer grasp
What motor skills should be developed by 9 month of age?
Gross: pulls to a standing position, creeps on hands and knees
Fine: has a crude pincer grasp, dominant hand preference evident
What motor skills should be developed by 10 month of age?
Gross: changes from a prone to a sitting position
Fine: grasps rattle by its handle
What motor skills should be developed by 11 month of age?
Gross: cruises or walks while holding onto something
Fine: places objects into a container, neat pincer grasp
What motor skills should be developed by 12 month of age?
Gross: sits down from a standing position without assistance, walks with one hand held
Fine: tried to build a two-block tower without success, can turn pages in a book
At what age do the fontanels (posterior and anterior) close?
Posterior: 2-3 months of age
Anterior: 12-18 months of age
What is the average weight of a 6 month old infant?
7.26kg (16 lb)
What is the average weight gain of an infant?
~ 680g (1.5lb)/month during first 5 months of life
- birth weight doubled by 5 months, tripled by 12 months
What is the average weight of a 12 month old infant?
9.75kg (21.5lb), tripled birth weight
What is the average height gain of an infant?
~ 2.5cm (1in)/month for first 6 months
- grows in spurts after 6 months and birth length is increased by 50% by the age of 12 months
What is the head circumference gain of an infant?
~ 2cm (0.75in)/month during first 3 months, 1cm (0.4in)/month for 4-6 months, 0.5cm (0.2in)/month during 6-12 months
how many teeth should be present in an infants mouth at 1 year of age?
6-8 teeth
At what age do the first teeth start to come in in an infant?
6-10 months
How old does an infant have to be for ibuprofen to be given for pain like dentition?
6 months
When is the sensorimotor stage according to Piaget? (cognitive development)
birth - 24 months
What are three important tasks accomplished in the sensorimotor stage?
Separation, object permanence, mental representation
What happens in the sensorimotor stage?
Infants progress from reflexive to simple repetitive to imitative activities
What is separation that occurs in the sensorimotor stage?
infants learn to separate themselves from other objects in the environment
What is object permanence that occurs in the sensorimotor stage?
the process by which infants learn that an object still exists when it is out of view. occurs at 9-10 months of age
What is mental representation that occurs in the sensorimotor stage?
the ability to recognize and use symbols
What is the first form of verbal communication in an infant?
Crying
How often do infants cry?
1-1.5 hrs each day for up to 3 weeks of age, then build up to 2-4 hrs by 6 weeks