ch7 (life span development) Flashcards
neonate
birth to 1 month of age
infant
from 1 month to 1 year of age
the head accounts for how much of a neonate’s body weight?
25%
what is the usual weight for a neonate?
6 to 8 pounds
prior to birth where does the fetal blood supply come from?
the mother via the placenta
barotrauma
pressure induced trauma (from too much pressure in the lungs)
how much does a neonate grow per day?
1 ounce (16oz=1 pound)
at birth, neonates make the transition from….
fetal to independent circulation
why is airway obstruction so common in infants?
because they have larger tongues and shorter, narrower airways
neonates are primarily…
nose breathers
Moro reflex
neonate opens arms wide, spreads fingers, and seems to grab at things
when does the neonate display the Moro reflex?
when neonates are caught off guard and startled
palmar grasp
occurs when an object is placed in the neonate’s palm he/she instantly grasps the object
rooting reflex
neonate instinctively turns head when something touches its cheek
sucking reflex
occurs when a neonate’s lips are stroked
fontanelles
spaces between the bones that eventually fuse to form the skull
when do fontanelles disappear?
usually at 18 months
while still in the womb the neonate’s immune system is supported by…
the mother’s antibodies delivered through placental blood flow (infants continue to carry some of this immunity)
for neonates what is the main method of communicating distress?
crying
neonate psychosocial changes: 2 months
- recognize familiar faces
- uses eyes to track people and objects
neonate psychosocial changes: 3 months
- brings objects to the mouth
- smiles and frowns
neonate psychosocial changes: 4 months
- reaches arms out to people
- drools
neonate psychosocial changes: 2 months
- recognize familiar faces
- uses eyes to track people and objects
neonate psychosocial changes: 5 months
- sleeps throughout the night
- distinguishes family members from strangers