Infant Growth and Development Exam: Milestones
in Gross and Fine Motor Skills, Cognitive and
Sensory Development (Piaget’s Sensorimotor
Stage), Psychosocial Development (Erikson’s Trust
vs. Mistrust, Freud’s Oral Stage), Language
Acquisition, Social-Emotional Milestones, Nutrition
Guidelines (Breastfeeding, Formula, Introduction of
Solids), Reflex Integration, Fontanelle Closure, and
Developmental Screening Indicators Questions
Verified and Provided with Complete A+ Graded
Rationales Latest Updated 2026
infant growth and development
marked by period of rapid growth
-move from total dependence towards formation of an independent sense of self
- having all needs met
-establish trust bond with caregiver from nurturing relationship
major tasks (infant growth and development)
steadily increasing size indicated by weight. height, and head circumference along with
fontanelle changes
best indicator of an infants overall health is:
double by 4 months and triple by one year
infant's weight should double by ______ and triple by ______
2-3 months
posterior fontanelle closes between:
12-18 months (on average)
anterior fontanelle closes between:
primitive reflexes to disappear during infancy
, myelination increases causing
neonatal gross motor
gross motor development:
-turn head from side to side (makes prone to suffocation)
-marked head lag when pulled forward ( should not be present after 4 months of age)
three months gross motor
gross motor:
can get hands to mouth, can lift head off bed
four months gross motor
gross motor:
roles from abdomen to back
five months gross motor
gross motor:
place with feet, roles from back to abdomen
seven months gross motor
gross motor:
sits up leaning forward on both hands
nine months gross motor
gross motor:
sits up without support. can crawl.
twelve months gross motor
gross motor:
can stand alone. can walk independently
neonatal fine motor
fine motor:
demonstrates palmar grasp reflex. immediately will drop any object placed in hand
by three months fine motor
palmar grasp disappears. can hold objects placed in hands
by 5 months fine motor
in Gross and Fine Motor Skills, Cognitive and
Sensory Development (Piaget’s Sensorimotor
Stage), Psychosocial Development (Erikson’s Trust
vs. Mistrust, Freud’s Oral Stage), Language
Acquisition, Social-Emotional Milestones, Nutrition
Guidelines (Breastfeeding, Formula, Introduction of
Solids), Reflex Integration, Fontanelle Closure, and
Developmental Screening Indicators Questions
Verified and Provided with Complete A+ Graded
Rationales Latest Updated 2026
infant growth and development
marked by period of rapid growth
-move from total dependence towards formation of an independent sense of self
- having all needs met
-establish trust bond with caregiver from nurturing relationship
major tasks (infant growth and development)
steadily increasing size indicated by weight. height, and head circumference along with
fontanelle changes
best indicator of an infants overall health is:
double by 4 months and triple by one year
infant's weight should double by ______ and triple by ______
2-3 months
posterior fontanelle closes between:
12-18 months (on average)
anterior fontanelle closes between:
primitive reflexes to disappear during infancy
, myelination increases causing
neonatal gross motor
gross motor development:
-turn head from side to side (makes prone to suffocation)
-marked head lag when pulled forward ( should not be present after 4 months of age)
three months gross motor
gross motor:
can get hands to mouth, can lift head off bed
four months gross motor
gross motor:
roles from abdomen to back
five months gross motor
gross motor:
place with feet, roles from back to abdomen
seven months gross motor
gross motor:
sits up leaning forward on both hands
nine months gross motor
gross motor:
sits up without support. can crawl.
twelve months gross motor
gross motor:
can stand alone. can walk independently
neonatal fine motor
fine motor:
demonstrates palmar grasp reflex. immediately will drop any object placed in hand
by three months fine motor
palmar grasp disappears. can hold objects placed in hands
by 5 months fine motor
