Week/Quiz 1 Flashcards
Lymph system is fully developed at age __, increases in size beyond that between age _____ and ___ and then decreases back down to normal size at the end of adolescence.
6 years, 10-12
Neonates have a small stomach with a capacity of about ___ ml
60
Gastric pH is alkalotic at birth, acid production slowly increases to adult level by age ___.
2
L ventricular muscle is underdeveloped until age ___. Which means the radial pulse may not be palpable until this age.
6
Infants have a poor response to hypotension via vasoconstriction; hypotension without tachycardia is seen with hypovolemia in neos and infants because the ______ reflexes are immature.
Baroreceptors
_____ closes within the first hour of life. This opening ___________ and closes by ___.
Forman ovale, allows blood to shunt through the atriums from the R to the Left, closes by mechanical pressure from the change in cirulation after delivery.
___ closes within the first 10-15 hours after birth. This opening ___ and closes by
Ductus artirioses, allows blood to shunt from the Pulmonary arteries to the aortas, bypassing the lungs which are not yet functioning, closed by oxygenating the lungs, which releases bradykinin and then causes the closure of the DA.
____ and ____ are the first sinuses to develop (present at birth). Others are developing at age ___
Ethmoid and maxillary, 3 years
Infants are ____ breathers until about age _____.
Nose, 4-5 months
Saliva is minimal at birth, and increases by age ____.
3 months
Sebaceous glands are active in neonatal because of ______. This causes ____ called ____.
Maternal androgens, baby acne, milia.
Teeth should erupt between ages ___ and ____. Delayed if patient is what?
6 and 24 months, Malnutrition or hypothyroidism
____ circumferences exceed ____ circumferences from age ____ to ____.
Head, chest, birth-2years
___ glands are functional at birth with full function reached at age ___-___. these glands are all over the scin but most concentrated where?
Eccrine, 2-3, palsm, soles of feet and forhead
_____ glands are nonfunctional until puberty which is what causes ____
Aprocrine, body odor
Fontanells that close at 2 months
posterior
fontanelle that closes by 12-18 months
anterior
pupils are small with poor reflexes until ___ months. nystagmis and esotropia are common in neos younger than ___ months. Irisis have little pigment until age ___-___ months
5, 6, 6-12
at age ___ months infants can fixate both eyes on same image. they can distinguish color by ___ months and are farsighted until ____.
4, 8, 6-7 years
EAC is short and straight with upward curve and is horizontal until age ___. to do an otoscopic exam on a 3 years or less child, what should be done?
2 years, pinna should be pulled DOWN and back
EAC continues to shorten and straighten as the child grows. to do an otoscopic exam on a 3 years or older child, what should be done?
Pinna should be pulled UP and back
maternal iron stores in liver of baby but is depleted by age ____ which is why introducing other foods is important at this age.
6 months
infants fight infections primarily by _____ immunity. immunity is not yet developed until ___ years which means younger than this age, children will be prone to sickness as they build their immunity
passive, 6years
urinary bladder lies between the ____ and the ___ in infants and toddlers. bladder decends into pelvis by age __.
symphysis and the umbillicus
testicles enlarge between age ____ and ___. early puberty is present if the testicles enlarge before then.
9.5-13.5
abdominal distention in infants and toddlers is normal and can be caused by lumbar curvature called ____.
Lordosis
neuro system is complete but not fully myelinated at birth. myelination is rapid in the first __ years of life and is complete by age __years.
2,7
brain growth is rapid. 50% is completed by age ___. reaches 75% by age ___years, 90% by __ years. 100% by
1,3, 6, 12
Age groups
Neonate
Infants
Toddlers
preschoolers
school age children
adolescents
Neonate birth-28 days
Infants 1 mo- 1 year
Toddlers 1-3 yr
preschoolers 3-6 yr
school age children 6-12 yr
adolescents 12-21
cephalocaudal development
head-to-toe development that corresponds to gross motor development and myelination of the spinal cord/ sitting up to walking
proximal to distal
near to far corresponds to fine motor development and myelination of the spinal cord/ palmar to fine pincer
mass to specific
progresses from simple acts to more complex acts examples: gross motor, fine motor, cognitive (concrete before abstract) speech (receptive before expressive, and then creating words and then sentances), socio-emotional (watching faces to stranger anxiety)
definite, predictable sequence
same sequence in EVERY child this is due to myelination of the spinal cord and brain development. (all achieve head control before sitting up, receptive language before expressive language)
critical senstive periods
most opportune time for learning or doing something (new language is 0-12 yrs) sensitive periods start and end gradually
young infants reflexes
moro, startle, grask, suck, excrusiona and crawling
required developmental screenings (ages)
9,18 and 30 months