Principles of Growth and Development Flashcards
When does the posterior fontanel close?
6-8 weeks
When does the anterior fontanel close?
12-18 months
What is hypotonia?
Having bad tone, little muscle, not rigid or stiff
What is microcephaly?
HC <32 cm
What is macrocephaly?
HC >38 cm
What can cause microcephaly?
Zika, cytomegalovirus, malnourishment during pregnancy
How much should a baby weigh by 6 months?
2x their birth weight
How much should a baby weigh by 12 months?
3x their birth weight
How much should a baby weigh by 24 months?
4x their birth weight
What is the average weight gain per year?
5 lb
How tall should one be by 4 years?
2x birth length
How tall should one be by 13 years?
3x birth length
How can you estimate adult height?
Double height of child at 2 years
When does a growth spurt begin for boys?
After first evidence of puberty
Lasts ~4 years
Average age of onset is 12.5
When does a growth spurt begin for girls?
After first evidence of puberty
Lasts ~4 years
Breast development happens around 10 years
What are the corresponding Erikson, Piaget, and Freud stages for the infant?
Trust vs. mistrust
Sensorimotor
Oral stage
What gross motor skills occur from 0-2 months?
Primitive reflexes
What gross motor skills occur from 2-4 months?
Hand to mouth
Some head lag when pulled to sitting position
Supports weight on forearms
What gross motor skills occur from 4-6 months?
Head and trunk control
Sits with support
Rolls back to front
Bears weight on feet when assisted.
What gross motor skills occur from 6-8 months?
Sits alone with steady head
What gross motor skills occur from 8-10 months?
Moves prone to sitting to standing
Stands alone without support
Crawls to creeps to cruise
Attempts to walk