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Pediatrics 1
Pediatrics Exam 1
86
Medical
Graduate
06/10/2013

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Cards

Term
What day does implantation occur
Definition
Day 10
Term
What day does the neural tube form
Definition
Day 21
Term
What is the most critical period of prenatal development
Definition
Embryonic Period
4-6Weeks
Term
Age of viability
Definition
24-28 weeks
Term
What is the greatest risk factor for chromosomal aberrations
Definition
Maternal Age
Term
Genetics of Turner Syndrome
Definition
Only one sex chromosome (X)
Term
Genetics of Fragile X syndrome
Definition
Thin strand on one X (inheritable)
Term
Which chromosome is involved in Retinoblastoma inheritance
Definition
#13
Term
Inheritance pattern of corneal dystrophies
Definition
Autosomal Dominant
Term
Inheritance pattern of albinism
Definition
Autosomal Recessive
Term
Inheritance pattern of color vision defects
Definition
X-linked Recessive
Term
At what time in development are the eyes most susceptible to teratogens
Definition
4th week
Term
Def'n for TORCH diseases
Definition
Toxoplasmosis
Other (syphilis, hep B, coxsackie, Epstein Barr…)
Rubella
Cytomegalovirus
Herpes Simplex Virus
Term
Most babies infected with toxoplasmosis are ____________________ at birth
Definition
Asymptomatic
Term
Some complications of toxoplasmosis in infants
Definition
Hydrocephalus
Cerebral calcifications
Microcephaly
deafness
seizures
chorioretinitis
Term
Some complications of Congenital Rubella Syndrome
Definition
Cataracts
Salt & Pepper retinopathy
sensorineural defects,
structural heart defects (PDA)
Term
What may increase transmission risk of HSV
Definition
If mother is newly exposed during her 3rd trimester
Term
Visual sequelae of TORCH diseases
Definition
Cortical Vision Impairment
Optic Atrophy
Term
3 complications of maternal fever during critical periods
Definition
microphthalmos
CNS defects
Facial defects
Term
Which maternal age has a higher risk for pre-eclampsia and eclampsia
Definition
16yo and younger
Term
Which maternal age has a higher risk for gestational diabetes and hypertension
Definition
Mothers 35yo and older
Term
Developmental defect that causes myelomeningocele (spina bifida)
Definition
Failure of the neural tube to close, resulting in spinal cord malformation and complications
Term
Most serious sequlae of spina bifida
Definition
Hydrocephalus
Term
Term for herniation of cerebellar tonsils through foramen magnum that then blocks outflow of CSF
Definition
Chiari Malformation
Term
Ocular sign of hydrocephalus
Definition
Papilledema
Term
3 factors of prematurity that affect survival, healthy and development
Definition
1. Respiratory Distress Syndrome can cause brain damage
2. Low body fat
3. Vulnerability to infection
Term
Name 5 characteristics that are graded on the APGAR scale
Definition
1. Heart Rate
2. Respiratory Effort
3. Muscle Tone
4. Skin Color
5. Reflex irritability
Term
When are measurements for the APGAR score done
Definition
1 and 5 minutes after delivery
Term
APGAR score that indicates critical condition
Definition
4 or less
Term
Best possible APGAR score
Definition
10
Term
Which antibody is passed from the mother to the fetus during pregnancy
Definition
IgG
Term
Approximately when is an infant's immune system fully developed?
Definition
6-8 months old
Term
Why have such a large percentage of parents been opting out of vaccinations for their children
Definition
Vaccines were implicated in pervasive development disorders like autism (disproved)
Term
What may increase the risk of severe side-effects due to vaccines
Definition
Simultaneous multiple vaccinations
Term
Leading cause of death in infants after congenital anomalies
Definition
Sudden Infant Death Syndrome
Term
Which neurotransmitter has been implicated in the incidence of SIDS
Definition
Abnormalities in the ability of the brainstem to recycle serotonin
Term
4 Physiological States in an Infant's Life
Definition
1. Quiet, deep sleep
2. Active sleep
3. Alert wakefulness
4. Active crying
Term
At what age can infants discriminate similar speech sounds
Definition
1 month
Term
When do the senses of taste and smell reach their peak in infants
Definition
Peak in terms of acuity by one year
Term
What is dynamic perception in infants
Definition
Their ability to recognize novelty or changes/movement in the environment
Term
At what age do infants understand number concepts (basic addition and subtraction)
Definition
as young as 4 months
Term
What is the last stage of language development
Definition
Written expression (express thoughts in writing)
Term
Holophrase
Definition
A single word that expresses a complete thought
Term
When is stranger wariness first noticeable
Definition
6mo
Term
When does social referencing appear
Definition
12 mo
Term
Describe the primary post-natal changes of the retina
Definition
Redistribution of the cells, expansion of the retinal periphery and significant foveal development
Term
When is the fovea fully mature
Definition
4 years old
Term
At what age does synaptic density peak
Definition
8 months
Term
Preferential Looking
Acuity expected at 6 months
Definition
20/100 (6cpd)
Term
Preferential Looking
Acuity expected at 12 months
Definition
20/50 (12cpd)
Term
How do Grating Acuity findings compare to Optotype acuity in patients with reduced acuity
Definition
Grating Acuity overestimates (results in 'better' acuity)
Term
Expected grating acuity at 24 months
Definition
20/20-20/25 (30-24 cpd)
Term
Expected grating acuity at 1 month
Definition
20/800
Term
Expected grating acuity at 3-4 months
Definition
20/200-20/400
Term
Based on the study done on the Pacific Acuity Test, the 2-figure forced choice design works for what age group
Definition
18 months and up
Term
How does PAT acuity compare to those find with Cardiff cards
Definition
PAT measures one line worse than Cardiff
Term
What is the ultimate way to determine resolution capability at the level of the visual cortex in non-verbal patients
Definition
Visual Evoked Potential
Term
How does Visual Evoked Potential compare to Preferential Looking Acuities
Definition
VEP demonstrates much better acuity than PL
Term
At what age do we expect 20/20 using recognition acuities (Lea symbols)
Definition
4-5 years old
Term
Compare cone density in neonates vs adults
Definition
2.5X lower in neonates
Term
When is the visual pathway fully myelinated
Definition
24 months
Term
How does Panum's area change with development
Definition
It gets smaller as the fovea becomes more sensitive to blur
Term
At what age do convergence responses reach normal, adult levels (6-10 cm)
Definition
6 months
Term
At what age can stereo be elicited in a clinical setting
Definition
9-12 months
Term
At what age can children demonstrate 20 arc seconds of stereo
Definition
7-8 years old
Term
What is the term for the time frame in which deprivation or abnormal
experience can permanently alter the function of the neurological system
Definition
Critical Period for Susceptability
Term
Which side of the brain undergoes rapid expansion first
Definition
Left (2 yrs)
Term
At what age does the Worth Light Test become viable
Definition
4 yo
Term
What does the development of normal binocular vision depend on
Definition
Foveal and cortical development
Term
Critical period for BV development
Definition
First 12 months, esp 3-9 months
Term
Average refractive error in infancy
Definition
+2.00D
Term
How does gestational age (prematurity) correlate with refractive error
Definition
More premature=higher magnitudes of ametropia
Term
When does the process of emmetropization appear to end
Definition
3-5 yo
Term
4 pre-reqs for succesful emmetropization
Definition
Healthy ocular structures
Healthy environment
Operational Refractive range
Intact emmetropization mechanism
Term
Hyperopia Research Findings
Significant loss of hyperopia between _ and _ mos
Definition
3 and 12 months
Term
Hyperopia Research Findings
Very little change in RE betweeen __ and __ month
Definition
12 and 36
Term
Hyperopia Research Findings
Most RE between ___ and ___ by 18 mo
Definition
Between Plano and +3.00
Term
Hyperopia Research Findings
Very low prevalence of hyperopia after age _____
Definition
6 years
Term
Which ethnicity had the lowest incidence of hyperopia
Definition
Asian
Term
Name 2 ethnicities that have higher incidence of myopia than in Caucasians
Definition
Asians and Hispanics
Term
How does a trend of outdoor activities seem to affect the development of myopia
Definition
more hours outside seems to be protective
Term
Name 3 risk factors associated with development of myopia
Definition
Hereditary
Intelligence
Near Work
Term
How may the ciliary muscle be different in myopes
Definition
Ciliary muscle may be thickened
Term
How does the rate of change of axial length in myopes compare to that of emmetropes around the time of myopia onset
Definition
Rate of increase in length is approx 3x faster in myopes than emmetropes
Term
What is the primary orientation of astigmatism in childhood
Definition
WTR
Term
Anisometropia greater than ____ tends to persist
Definition
>3.00D
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