M1: Basic Pediatrics Flashcards
0-14 days
Ovum
O-280 days
Prenatal
3-8 weeks
Embryo
9 weeks until birth
Fetus
2nd trimester of the fetus
Early fetal life
3rd trimester of the fetus
Late fetal life
Average Birth period
280 days / 37-42 weeks
Less than 37 weeks
Premature infant
Birth to 2 years
Postnatal Infancy
1st 4 weeks after birth
Neonate/Newborn
First year
Middle nursing
1-2 years
Transition/Toddler/Runabout
Early childhood
2-6 years
Late childhood for boys
6-12
Late childhood for girls
6-10
Simple, reproducible growth parameter. Can serve as an index of acute nutritional depletion.
Weight
Average birth weight
3kg
Weight 0-2 months: 10% decrease below birthweight in the 1st _____ days.
10
Weight 0-2 months: exceed birthweight by ______ of age.
2 weeks
Weight 0-2 months: _________ per day during the 1st month. (Fastest postnatal growth)
30g/1oz
Weight 3-4 months: growth of _____ per day.
20g
Weight 3-4 months: doubling the birth weight by _______.
4 months
Weight 3-4 months: by the first birthday, weight has _______.
Tripled
Weight: growth rate slows further as appetite declines. Increase of 5in & 5lb.
2y/o
Weight: decrease in appetite & nutritional requirements. Picky eating. Gain of ____(4-5 lb) in weight.
Preschool years. 2kg.
Weight: growth of 3-3.5 (7lb)
School age years
Average length at birth
50cm
Length birth to 3 months
9cm
Length 4 to 6 months
8cm
Length 7 to 9 months
5cm
Length 10 to 12 months
3cm
Length has increased by 50%
First year
Children are about 1/2 of their ultimate height
2nd year
7-8cm (2-3in) in height per year
Preschool years
Growth of 6-7cm (2.5in) per year
Childhood
Height: 30 inches
1 year
Height: 3 feet tall
3 years
Height: 3x birth length
13 years
Height: 1/2 of mature height
2 years
Height: 40 inches or 2x the birth length
4 years
Birth Head Circumference
33-35cm
Approximates adult head circumference at
6y/o
Growth standards that describe how healthy children should grow under optimal environmental and health conditions
WHO charts
A growth reference, not a standard, and describe how certain children grew in particular place and time.
CDC chart
Height & Weight measurements may be converted to ________ or values that represent standard deviations from the median height and weight values for age.
Z scores
Any child whose height or weight Z score is __________ is considered to have an abnormal growth pattern. Height & weight of Z score more than ___ standard deviations below the median are considered to represent significant deviations.
Less than 1.64. 2.
CNS: dorsal induction
18-26 days
CNS: closure of neural tube
26 days
CNS: formation of neural tube
18 days
CNS: for language & speech. Mathematical, analytical & verbal functions.
Left cerebrum
CNS: visual, spatial & musical
Right cerebrum
CNS: life sustaining
Brainstem
CNS: coordinates smooth motor movements. Including speech articulation.
Cerebellum
CNS: formation of neuroblast & glioblast. Number of nerve cells a person will have in his lifetime.
Proliferation
CNS: at 6-8wks through 8 months. Movement of nerve cells from proliferation zone to final position. Leads to formation of sulci, gyri & corpus callosum.
Migration
CNS: at 6months of gestation and continues after birth. Formation of axons & dendrites.
Organization
CNS: at 6 months of gestation and continues into adulthood
Myelination
Are not well differentiated at birth. Cephalocaudal progression.
Tactile sensation
By ________, a fetus tastebuds already look like a mature adult.
13-15 weeks
Fetal swallowing increases when surrounded by ______ tastes and decreases with __________ tastes.
Sweet. Bitter & sour.
A fetal’s nose develops between
11-15 weeks
Provides a constantly changing olfactory and taste environment for the fetus
Amniotic fluid
Auditory: ears begin to form
8 weeks
Auditory: structurally complete
24 weeks
Auditory: bones of the inner ear and nerve endings from the brain develop fetus hears the mother’s heartbeat, and blood moving through the umbilical cord, and becomes startled by loud noises.
18 weeks
Auditory: baby begins to hear his mother or father’s voice
25 weeks
Auditory: baby recognized voices
27 weeks
Auditory: is of adult size at birth drum membrane may be smaller and more oblique.
Middle ear
Auditory: is wholly cartilaginous and much shorter than in the adult
External canal
Auditory: is shorter & more horizontal
Eustachian tube
Auditory: basic auditory skills are completely mastered
3y/o
Last sense to develop
Vision
CVS: paired cardiac tubes
18 days AOG
CVS: primitive heart tube
22 days AOG
CVS: cardiac looping
22-24
Most important stimulus to the onset of breathing is
Anoxia
The true stimulus to breathing is the fall in ______ brought about on by the accumulation of ________.
pH. Acid metabolites.
Prominent by about 3rd month
Drooling