Growth and Development Flashcards
What brain regions continue growing til age 25 (2)? What behaviors do these regions have to do with?
Pre-frontal brain and amygdala: Risky decisions, emotional.
BMI Equation
Weight in Kg x 10,000
divided by height in Cm squared
BMI Percentiles for: Underweight Health weight Overweight Obese
Underweight: <5th percentile
Health weight: 5th percentile to below 85th percentile
Overweight: 85th to below 95th
Obese: Equal or above 95th
What doesn’t BMI take into account?
Muscle mass?
Why is BMI useful? (2)
1) Provides a reference that can be useful beyond puberty
2) Compares well to lab measurements
Newborn weight in grams (range)
2700-4000g
How many grams in 1 pound?
454
Newborn length
48-53 cm
Head circumference at birth
33-35 cm
Chest circumference at birth
2-3 cm less than head circumference
Weight gain per week (newborn)
5-7 oz per week
Length increase per month (newborn)
2.5cm/month
Increase in head circumference per month:
- For the first three months
- From 3-6 months
- 0 -3 mo: 2 cm / month
- 3 to 6 mo: 1 cm / month
Newborn: Gross motor (1)
May lift head if prone
Newborn: Fine motor (1)
Holds hands in fists
Newborn: Sensor (2)
Prefers faces, follows line of vision
Sucking reflex disappears:
By 12 months (replaced by voluntary)
Rooting reflex disappears:
After 3-4 months (normal til 12)
Palmar reflex disappears:
Decreases / becomes voluntary around 3 months
Plantar reflex disappears:
Starts to disappear around 8 months
Babinski reflex disappears:
Up to 18 months of age
Moro reflex disappears:
Starts to disappear around 4 months
Tonic neck reflex disappears:
Starts to disappear around 6 mo (when turning)
Dance / stepping reflex disappears:
Disappears in 4-8 week
Crawl reflex disappears:
Changes to voluntary at 6 months
How much should you bottle feed a newborn (birth to one month)?
60-90 ccs every 2-3 hours
How many ounces in once cc?
2-3 ounces per cc
How much should you breastfeed an infant (less than one month)?
Every 2-3 hours on demand
When does the POSTERIOR fontanel close?
6-8 weeks
Fine motor of a 2-4 month old baby (3)
- Holds rattle
- PLAYS WITH FINGERS
- Object to mouth
Sensory of a 2-4 month old (2)
- Turns heads to voices (esp mom’s)
- Social smile: 3 months
Gross motor: 2-4 months
- Decrease in head lag
- Sitting
When does a baby start giggling?
4 months
When does a baby’s birth weight double?
6 months
When does rolling over occur?
- Belly to back
- Back to belly
- Belly to back: 4 mo
Back to belly: 6 mo
When does the baby start voluntary grabbing things (palmar grasp)?
4-6 months
What is the first solid food you should give to an infant?
Cereal: Rice, barley, oatmeal.
What is the #1 chronic illness in pediatrics?
Dental carries
When do teeth erupt?
Maybe by 6 months
What are the first teeth to emerge?
First central incisors
Sensory: 4-6 month old (2)
- Separation anxiety
- Mirrors
When does a baby transfer object from hand to hand?
6-8 months
When does a baby start to respond to name?
6-8 months
When does a baby develop…
- Crude pincer?
- Refined pincer?
- Crude pincer: 6-8 mo
- Refined pincer: 8-10 mo
When does a baby start understanding “no”?
8-10 mo
When does head circumference begin to equal chest circumference?
10-12 months
When does a baby triple birth weight?
10-12 months
How many teeth does a baby have by 1st birthday?
6-8
When does a baby wave goodbye?
10-12 mo
Sensory is simple commands, peek a boo, patty cake: When?
10-12 mo
When can a baby start drinking whole milk?
10-12 mo
How much vocab does a baby have by 10-12 mo?
3-5 years, understands “mama” and “dada”
When does a baby develop nocturnal sleep?
3-4 months
How much of an infant’s sleep is REM?
50%
Birth to 18 mo: ERIKSON
- Basic Conflict
- Important Events
- Trust v Mistrust
- Feeding
Early childhood (2-3 years)
- Basic Conflict
- Important Events
- Autonomy vs shame and doubt
- Toilet training
Preschool (3-5 years)
- Basic Conflict
- Important Events
- Initiative vs guilt
- Exploration
School age (6-11 years)
- Basic Conflict
- Important Events
- Industry vs Inferiority
- School
Adolescence (12-18 years)
- Basic Conflict
- Important Events
- Identity vs Role confusion
- Social Relationships
At what age does birth weight quadruple?
By age of 2
Where in the toddler body does most of growth occur?
TORSO
What is the #1 cause of death in toddlers?
ACCIDENTS
Fine motor: Toddler (age 1-3) (2)
- Scribbles, copy a circle
- Dresses self
Why should you restrict a toddler’s amount of milk? What should you restrict it to?
- Excessive milk consumption makes child full, prevents iron absorption
- Limit to 16-24 oz per day
When is sphincter ready for toilet training?
Around 18 months
What might a delay in toilet training indicate?
Abuse
Piaget: Toddler
Sensorimotor to Preconceptual (Preoperatoinal)
- Cause and effect, object permanence, imitation, concept of time
Where does growth take place for a preschooler?
Long bones
Fine motor - Preschooler (4)
- Uses scissors
- Draws circle and square
- Ties shoes
- Draws six part person
Vocab # for a preschooler
2,000 words
Four types of play for preschooler
o Association Play
o Dramatic Play
o Cooperative Play
o Solitary Play
Piaget: Preschool age
Preconceptual (preoperational)
o Magical thinking
Reality vs Fantasy thinking
They think that their thoughts are all-powerful
Five things to note about school age growth:
o Last period in which boys and girls are close in proportion due to growth spurts (girls first) o All body organs fully developed o Growth spurts o Jaw changes. o Permanent teeth
Three nutrients that school age kids especially need
- Calcium
- Iron
- Protein
Piaget- school age
Conc
rete observational
3 characteristics of concrete operational
1) Conservation:
Matter does not change when container changes’
2) Reversibility:
Addition and subtraction
Getting home from school
3) Classification
Interest in collections
Three stages of adolescence:
Early: 12-14 years
Middle: 16-17 years
Late: 18-21 years
Thelarche
- What
- When
Breast development
- 9-13 years
- About 1 year after growth spurt
Adrenarche
- What
- When
Pubic & axillary hair
- About six months after breast development
Menarche
- What
- When
Menses (first menstruation)
- 10.5-15 years
- 2 years after breast development
-
When should you be concerned about delayed puberty (2)?
- No breast development by 13
- No menses as of 4 years after breast development
When do boys hit puberty?
9.5 -13.5 years
Boys: 3 parts of early puberty
Testicular enlargement
Pubic hair
Thinning and reddening of scrotum
Boys: 5 parts of mid puberty
Voice changes Facial and axillary hair Increase in acne Increase in muscle mass Penile enlargement
Boys: 2 parts of late puberty
Increase in axillary and facial hair
First ejaculation
How do you define “delayed puberty” for boys?
No initial signs of pubral development by the time they’re 13.5-14 years of age
- No testicular or scrotal changes
- No pubic hair
Five nutrients to push on adolescents:
Protein Calories Zinc Calcium Iron
Piaget: Adolescents
FORMAL OPERATIONAL
o Inductive v Deductive Reasoning
o Understand consequences
o Decision making capabilities
1 cause of death in adolescents
Accidents
2 cause of death in adolescents
Suicide