Term
what are the 3 distinct periods of the prenatal period |
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Definition
germinal, embryonic, fetal |
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Term
when is the germinal period |
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Definition
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Term
when is the embryonic period |
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Definition
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Term
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Definition
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Term
when is the critical period for CNS defects |
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Definition
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Term
when is the critical period for heart defects |
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Definition
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Term
when is the critical period for skeletal system defects |
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Definition
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Term
of the 3 periods of prenatal period, which is the most critical period when most of the body is forming |
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Definition
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Term
what are 2 other terms for the embryonic period |
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Definition
organogenetic or epigenetic period |
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Term
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Definition
failure of anterior neural tube closure: no brain, not compatible with life |
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Term
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Definition
failure of posterior neural tube closure |
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Term
where in the neural tube is most (80%) of myelomeningocele neural tube openings |
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Definition
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Term
what does most myelomeningocele defects include |
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Definition
dorsal displacement of the neural tube, forming a sac |
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Term
what are causes of birth defects |
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Definition
genetic, environmental factors |
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Term
what are genetic causes of birth defects |
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Definition
chromosomal abnormalities or mutant genes |
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Term
what are environmental causes of birth defects |
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Definition
malnutrition, diseases, chemicals, drugs |
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Term
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Definition
the scientific study of birth defects |
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Term
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Definition
an agent that alters morphology or function |
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Term
what are some examples of teratogens |
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Definition
infection, chemical, drugs, deficiency |
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Term
what does damage from teratogen exposure depend on |
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Definition
amount of exposure, time of exposure, genetic makeup of the individual |
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Term
how many (%) infants bron to HIV infected mothers become infected during labor, delivery, or breastfeeding |
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Definition
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Term
how to reduce HIV transmission from mother to baby |
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Definition
transmission can be reduced by 2/3 with maternal treatment in 2nd and 3rd trimesters as well as infant treatment for 6 weeks after birth. Don't breastfeed |
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Term
what is the clinical presentation of HIV in an infant |
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Definition
begins months-2 years: progressive or static encephalopathy; cognitive impairment; failure to thrive; enlarged spleen; recurrent diarrhea; persistent oral candida |
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Term
how many (%) women have group B strep colonized in their genitourinary tracts? |
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Definition
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|
Term
how many (%) infants born to women with group B strep develop early onset invasive dsease |
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Definition
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|
Term
what is the result of group B strep |
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Definition
shock, pneumonia, meningitis |
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|
Term
what is the outcome of meningitis in infants |
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Definition
21% die. High rates of neurological impairments in survivors |
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|
Term
how is congenital cytomegalovirus infection transmitted from mother to infant |
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Definition
infected mother passes congenital cytomegalovirus to fetus through the placenta. |
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Term
is a mother infected with congenital cytomegalovirus always symptomatic |
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Definition
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|
Term
what percentage of infants who have symptoms of congenital cytomegalovirus at birth will have neurologic abnormalities later in life |
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Definition
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|
Term
what are possible complications of congenital cytomegalovirus |
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Definition
psychomotor retardation, deafness |
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Term
what does tetracycline affect in a developing fetus |
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Definition
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Term
how do some anticonvulsants affect the fetus |
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Definition
heart disease, cleft lip, palate |
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Term
what can some antidepressants do to developing fetus |
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Definition
limb anomalies, cleft palate, withdrawal symptoms |
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|
Term
what can accutane do to a developing fetus |
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Definition
cause miscarriages and birth defects |
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Term
what can thalidomide do to developing etus |
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Definition
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|
Term
what is wiedemann's dysmelia syndrome |
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Definition
limb malformations caused by thalidomide |
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Term
how does tobacco use by mother affect fetsu |
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Definition
reduces blood flow to the placenta and oxygen to the fetus |
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|
Term
what are risks caused by maternal tobacco use during pregnancy |
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Definition
premature rupture of membranes, premature birth, decreased fetal growth, placental abruptions/placenta previa, abnormal fingers/toes |
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|
Term
problems of fetal alcohol syndrome |
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Definition
growth deficiency, small head, epicanthic folds, mental retardation, hyperactivity, ADD, delayed growth and development |
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|
Term
what is fetal alcohol effect |
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Definition
less severe symptoms than FAS. Language delays, clumsiness |
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|
Term
is fetal alcohol syndrome or fetal alcohol effect more common |
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Definition
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|
Term
how does cocaine use by mother affect fetus |
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Definition
cocaine causes blood vessel constriction, decreasing oxygen to the fetal brain and decreasing nutrition through the placenta leading to low birth weight |
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|
Term
how is risk of SIDS increased in babies who were exposed to cocaine prenatally |
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Definition
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Term
what are non-specific features in babies who were prenatally exposed to cocaine |
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Definition
abnormal sleep, irritability, seizures, genitourinary anomalies, abnormal neonatal neurobehavior, modest effect on IQ |
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|
Term
what are problems in school age children who were exposed to cocaine prenatally |
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Definition
ADHD, disruptive behavior, anxiety, depression |
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|
Term
how does maternal malnutrition affect fetus |
|
Definition
reduced fetal growth, premature rupture of membranes, increased risk of prematurity, increased morbidity |
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|
Term
what are risks on fetus caused by uncontrolled maternal diabetes |
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Definition
cardiac, spine, neural tube, limb abnormalities (these things don’t always happen, but they can) |
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|
Term
how does excessive radiation affect a fetus |
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Definition
microcephaly, mental retardation, skeletal deformities |
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|
Term
what types of paternal occupations are related to increased risk of birth defects |
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Definition
janitors, woodworkers, firemen, electrical workers, printers, painters |
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|
Term
what increased ridsks occur in infants of fathers who work in textile industires |
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Definition
stillbirth, preterm delivery, small for gestational age |
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|
Term
how can some cancer treatments in fathers affect offspring |
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Definition
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|
Term
how many spontaneous abortions are caused by underlying chromosomal abnormalities |
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Definition
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Term
what are common characteristics of trisomy 21 |
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Definition
typical facial profile; hypotonia and delayed motor development; moderate range of mental retardation; joint laxity; short limbs; nuchal fold; in adulthood: alzheimers, depression, obesity, leukemia; lifespan 40-50 years |
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Term
what are some inherited metabolic disorders |
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Definition
krabbe disease (globoid cell leuodystrophy), cerebral x-linked adrenoleukodystrophy, metachromatic leukodystrophy, hurlers synderome |
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|
Term
what is prader-willi syndrome |
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Definition
genetic/metabolic disroder |
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|
Term
functions of fetal movement |
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Definition
prevent stasis and adhesions to the uterine wall or between different parts of the fetus; position the fetus in preparation for birth; normal development of the structure of bones and joints |
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|
Term
what does APGAR stand for |
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Definition
Appearance (color); Pulse; Grimace (reflex irrritability); Activity/muscle tone; Respiration |
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|
Term
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Definition
1 minute, 5 minutes, then every 5 minutes up to 20 min if socre <7 |
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Term
what are ways of determining gestational age |
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Definition
date from last menstrual period, fetal heart tones, measurements of fundal height/crown rump length/femoral length, based on physical characteristics and neurological indicators after birth |
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|
Term
is a 22-23 GA infant more likely to have extensor posturing or flexed posturing |
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Definition
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|
Term
is a 40 week GA infant more likely to have extensor or flexor posturing |
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Definition
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|
Term
how do movements change between 22-40 weeks gestation |
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Definition
movements become purposeful and controlled |
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|
Term
what is the physical progression of muscle tone |
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Definition
legs to head: caudocephalic |
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|
Term
how do primary reflexes change from 22-40 weeks gestational age infant |
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Definition
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|
Term
how to determine sequential patterns in premature infant |
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Definition
examine: resting posture, resistance to passive movement, amount and quality of active movements |
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|
Term
how long do we correct age for premature birth |
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Definition
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|
Term
what is the corrected age of an 8 month chronological age infant who was born at 28 weeks? |
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Definition
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|
Term
what are morbidity and mortality risk factors of premature infant |
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Definition
gestational age/brith weight, physiological/medical status, external factors |
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|
Term
what is the range of low birth weight |
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Definition
1500-2500g (3.5-5.5 pounds) |
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|
Term
what is the very low birth weight range |
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Definition
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|
Term
what is the extremely low birthweight range |
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Definition
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|
Term
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Definition
appropriate for gestational age |
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Term
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Definition
small for gestational age |
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Term
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Definition
large for gestational age |
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Term
what percentile is an AGA baby |
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Definition
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Term
what percentile is an SGA baby |
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Definition
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|
Term
what percentile is an LGA baby |
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Definition
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|
Term
about how many infants are born annually in the US who weigh less than 1500g? |
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Definition
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|
Term
about how many infants who weigh less than 1.5kg at birth survive? |
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Definition
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|
Term
about how many infants who weigh less than 1.5kg at birth get CP? |
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Definition
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|
Term
about how many infants who weigh less than 1.5kg at birth have behavioral and/or cognitive deficits |
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Definition
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|
Term
what are problems that are seen in SGA infants that are full term |
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Definition
developmental problems such as behavioral and learning problems |
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|
Term
what are problems that are seen in preterm SGA infants |
|
Definition
greater prevalence of developmental problems |
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|
Term
describe preterm and sick infants in the NICU |
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Definition
fragile, immature, have increased periods of behavioral disorganization |
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Term
what are immature systems and potential problems in preterm infants |
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Definition
CNS, pulmonary, cardiopulmonary, gastrointestinal, visual, auditory, increased infection ris |
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Term
what is the rate of neuron formation |
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Definition
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|
Term
what is the volume of the brain at 24 weeks |
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Definition
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|
Term
what is the volume of the brain at 40 weeks |
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Definition
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|
Term
how many neurons in the brain at birth |
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Definition
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|
Term
what are MRI differences in preterm and full term infants |
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Definition
cortical gray matter is decreased in premature; have greater frontal and sensorimotor vulnerability |
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|
Term
what are CNS impairments in preterm infants |
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Definition
germinal matrix interventricular hemorrhage; periventricular leukomalasia; encephalopathy of prematurity; later sensorimotor/cognitive/learning problems |
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Term
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Definition
mild bleeding. Stays within the germinal matrix and doesn't reach the ventricles |
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|
Term
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Definition
mild bleeding. Some blood enters the ventricles but doesn't enlarge them |
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Term
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Definition
moderate. A lot of blood in the ventricles causes them to swell |
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|
Term
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Definition
severe. The hemorrhage occurs beyond the ventricles in the substance of the brain |
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Term
what are problems associated with cardiopulmonary immaturity |
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Definition
respiratory distress syndrome, bronchopulmonary dysplasia |
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Term
what are problems associated with GI immaturity |
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Definition
necrotizing enterocolitis, gastroesophageal reflux |
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|
Term
what is retinopathy of prematurity |
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Definition
the growth and spread of abnormal blood vessels throughout the retina. These blood vessels are fragile and can leak, scarring the retina and pulling it out of position. |
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|
Term
how closely should an infant with retinopathy of prematurity be followed by an ophthalmologist |
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Definition
should be checked every 1-2 weeks |
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|
Term
what are some visual impairments that are often seen in premature infants after discharge |
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Definition
poor vision, strabismus, amblyopia, nystagmus, smaller field of vision |
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|
Term
when are premature infants screened for hearing impairments |
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Definition
when medically stable and 33 weeks gestation |
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Term
what happens if an infant gets abnormal results on hearing screen |
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Definition
checked again. If abnormal 2nd time, scheduled for an audiological evaluation after discharge for sensorineural and/or conductive loss |
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|
Term
what types of things to review when a preterm infant is referred for PT |
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Definition
pregnancy complications, labor/delivery complications, apgar scores, significant diagnosis during hospitalization: RDS, BPD, IVH, PVL, NEC, infections, GER, ROP, hearing impairment; significant procedures: ventilator, PDA ligation, hernia repair, surgery for NEC or perforated bowel |
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|
Term
what body functions and structures should a PT look for in a preterm infant |
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Definition
skeletal alignment, ROM, postural control, muscle performance, ventilation/respiration, sensory organization |
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|
Term
what activities might be affected in a premature infant |
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Definition
physiological tolerance to routine care; feeding (respiration); self-regulation; movement; changing positions; sensory responsiveness |
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|
Term
what participation might be changed in a perterm infant |
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Definition
attention/interaction with parents/caregivers/siblings |
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|
Term
what environmental aspects affect a preterm infant |
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Definition
NICU; physical/social/cultura |
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|
Term
what personal factors affect a preterm infant |
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Definition
limited family transportation, infant's medical condition |
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|
Term
what are the PT aims for preterm infants |
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Definition
enhance movement and postural control; support symmetry and alignment; minimize contractures and deformities; promote respiratory/feeding performance; foster caregiver confidence and attachment; support regulatory behaviors and social interactions |
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|
Term
what PT interventions can be done in the NICU |
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Definition
environmental modifications, positioning for containment, alignment, self-regulation, and promotion of appropriate behavioral state and autonomic stability; direct therapy; family centered care; family education/guidance/support |
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|
Term
what is family centered care |
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Definition
supporting and assisting families in: understanding the nursery and their infant's specific physiological behavioral issues; understanding their infant's signals and cues; developing confidence in all areas of caregiving; facilitating infant's ability to interact with parents and caregivers; support for discharge including follow-ups, referrals, and community environments |
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Term
what direct handling PT interventions can be done for preterm infants in the nicu |
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Definition
positioning, therapeutic handling, ROM/taping/splinting/hydrotherapy, contingent sensorimotor stimulation, oral-motor intervention |
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Term
what are examples of therapeutic handling |
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Definition
bring head/hands to midline, symmetry, head/trunk control, axial rotation, movement/postural experience |
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|
Term
what are postural/movement issues for preterm infants |
|
Definition
extensor posturing often dominant; lateral rotation of legs, external tibial torsion, everted feet; positional deformities leading to functional limitations in midline head control, visual orientation, movement transitions |
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|
Term
what is the influence of extensor dominance |
|
Definition
hyperextended neck, retracted shoulders, decreased trunk/pelvic mobility, frog legged, toe walking |
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|
Term
what does a hyperextended neck interfere with |
|
Definition
interferes with development of graded head control |
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|
Term
what do retracted shoulders interfere with |
|
Definition
upper extremity self-regulation, hands to midline, prone propping |
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|
Term
what does decreased trunk/pelvic mobility interfere with |
|
Definition
weight shifting, rolling, pivoting, transitional movements, limits hands to feet play |
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|
Term
|
Definition
shortened hip abductors and IT Band |
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|
Term
what are the problems of frog leg |
|
Definition
interferes with crawling, wide base of support, prolonged toeing out gait |
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|
Term
what are the problems of toe standing |
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Definition
walking, delays heel-toe gai |
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|
Term
what to do in developmental examinations and evaluations |
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Definition
assess CNS integrity; determine a baseline; target babies who may benefit from intervention; formulate treatment plan |
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|
Term
what is the Test of Infant Motor Performance |
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Definition
describes the evolution of functional motor skills in early infancy in order to plan intervention programs in infants with motor delays. Documents motor performance over time and evaluates effectiveness of treatment. |
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