CPN EXAM
Cephalocaudally From head to toe- ex: head control, then sitting, then walking
from the trunk to the tips of the extremities- ex: moving arms and legs be
Proximodistally
picking things up with fingers
Bone age Determined by X-ray of hand/wrist
When do you measure height laying 0-36 mo
down?
When do you measure height standing 2-18 years (2-3 yr olds can be measured either way)
up?
Weight at 6 mo is _____ birth weight double
(minimally)
Weight at 1 yr is _________ birth weight triple
(minimally)
Weight > 1 year is influenced by what? genetic influence, environmental influence, illness/health influence
When do you use BMI for screening? age 2 through adulthood
BMI >30 >95% obese
BMI 25-29.9 85%-<95% overweight
, CPN EXAM
BMI 18.6-24.9 5%-85% healthy weight
BMI <18.5 <5% underweight
Average birth length 20 inches
How much does an infant grow in the 10 inches
first year?
How much does a child grow in the 5 inches
2nd year?
How much does a child grow each year 2.5 inches
from the 3rd year until puberty?
When does birth length roughly 4 years
double?
Red flags for weight and height BMI >85% and height <5%
instinctual smile (not social)
Developmental milestones (2mo)
lift head, follows to midline, posterior fontanel closes
, CPN EXAM
social smile
begins to babble; turn to rattling noise; notices own hands; moves eyes
Developmental milestones (3mo) across all fields of gaze
eyes can track obj 180 degrees; raises head and neck when lying on stom
notices own hands
laughs
Developmental milestones (4mo)
rakes obj; grasps rattle; begins to roll over from stomach to back
When do infants develop stranger 4-6 mo
anxiety?
continuous babbling; babbles in response to sounds as in conversation
exhibits stranger anxiety
developmental milestones (6mo) rolls over from back to front; transfers obj from hand to hand; reaches;
pushes up on knees and hands and rocks back and forth
sits with support
enjoys peek a boo; likes to look in mirror
understands cause and effect (throwing toy)
Developmental milestones (7-9mo) sits w/o support (8 mo)
develops pincer grasp;feeds self a bottle/cheerios;crawls;stands holding
(9 mo)
, CPN EXAM
claps hands;waves bye-bye
points to obj when named; says "mama/dada"; says 5 words but understa
Developmental milestones (10-12 mo)
many more
pulls self up to a stand;cruises;walks with support; may take first steps
When do infant reflexes disappear? 4 mo
Rooting stroke cheek face will turn toward cheek- suck
Moro startle reflex- extend limbs/fingers
emerges by 5-6 mo and is retained
Parachute when slowly lowering the infant face and head down, infant extends bot
arms as to protect from falling
suprine with head turned to one side infant will flex arm and leg on oppo
tonic neck (fencing)
side and extend arm and leg on face side
toes hyperextend when bottom of foot is stroked
babinski reflex
disappears within 2 years
egocentric
resolution of stranger anxiety with parent present
Toddler social/emotional dev
temper tantrums
milestones
lacks concept of sharing; says "mine"
pints to body parts; recognizes self in the mirror
Cephalocaudally From head to toe- ex: head control, then sitting, then walking
from the trunk to the tips of the extremities- ex: moving arms and legs be
Proximodistally
picking things up with fingers
Bone age Determined by X-ray of hand/wrist
When do you measure height laying 0-36 mo
down?
When do you measure height standing 2-18 years (2-3 yr olds can be measured either way)
up?
Weight at 6 mo is _____ birth weight double
(minimally)
Weight at 1 yr is _________ birth weight triple
(minimally)
Weight > 1 year is influenced by what? genetic influence, environmental influence, illness/health influence
When do you use BMI for screening? age 2 through adulthood
BMI >30 >95% obese
BMI 25-29.9 85%-<95% overweight
, CPN EXAM
BMI 18.6-24.9 5%-85% healthy weight
BMI <18.5 <5% underweight
Average birth length 20 inches
How much does an infant grow in the 10 inches
first year?
How much does a child grow in the 5 inches
2nd year?
How much does a child grow each year 2.5 inches
from the 3rd year until puberty?
When does birth length roughly 4 years
double?
Red flags for weight and height BMI >85% and height <5%
instinctual smile (not social)
Developmental milestones (2mo)
lift head, follows to midline, posterior fontanel closes
, CPN EXAM
social smile
begins to babble; turn to rattling noise; notices own hands; moves eyes
Developmental milestones (3mo) across all fields of gaze
eyes can track obj 180 degrees; raises head and neck when lying on stom
notices own hands
laughs
Developmental milestones (4mo)
rakes obj; grasps rattle; begins to roll over from stomach to back
When do infants develop stranger 4-6 mo
anxiety?
continuous babbling; babbles in response to sounds as in conversation
exhibits stranger anxiety
developmental milestones (6mo) rolls over from back to front; transfers obj from hand to hand; reaches;
pushes up on knees and hands and rocks back and forth
sits with support
enjoys peek a boo; likes to look in mirror
understands cause and effect (throwing toy)
Developmental milestones (7-9mo) sits w/o support (8 mo)
develops pincer grasp;feeds self a bottle/cheerios;crawls;stands holding
(9 mo)
, CPN EXAM
claps hands;waves bye-bye
points to obj when named; says "mama/dada"; says 5 words but understa
Developmental milestones (10-12 mo)
many more
pulls self up to a stand;cruises;walks with support; may take first steps
When do infant reflexes disappear? 4 mo
Rooting stroke cheek face will turn toward cheek- suck
Moro startle reflex- extend limbs/fingers
emerges by 5-6 mo and is retained
Parachute when slowly lowering the infant face and head down, infant extends bot
arms as to protect from falling
suprine with head turned to one side infant will flex arm and leg on oppo
tonic neck (fencing)
side and extend arm and leg on face side
toes hyperextend when bottom of foot is stroked
babinski reflex
disappears within 2 years
egocentric
resolution of stranger anxiety with parent present
Toddler social/emotional dev
temper tantrums
milestones
lacks concept of sharing; says "mine"
pints to body parts; recognizes self in the mirror
