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WVSOM Class of 2012 Developmental Defects

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
what is the most sensitive period for teratogenesis?   show
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show defective morphogen genes from hensen's node  
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show insufficient mesoderm in caudalmost embryo  
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show deficiency of midline craniofacial structures from disruption of forebrain development; fetal alcohol syndrome  
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show spinal dysraphism  
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what are the 4 spina bifidas?   show
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what are the symptoms of meningomyeloceles?   show
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show ancephaly  
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amniocentesis shows what elevation in defects?   show
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Malformations arising during development, produced by environmental, not genetic, insults are what?   show
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show Birth Defects, Congenital Anomalies  
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show deformation  
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malformations produced after the initial formation of a normal structure, due to abruptly occurring destructive forces, e.g. amniotic band disruption complexes causing in utero amputation:   show
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show congenital malformations  
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what is an extreme example of caudal dysgenesis?   show
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spina bifida occulta is a ___ neural tube defect while spina bifida meningomyelocele is a ____ neural tube defect:   show
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show L5 or S1  
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show anterior; posterior  
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show cranial meningocele  
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show cranial encephalocele  
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show fraternal, identical  
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show chorion, placenta  
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what is most common scenario for monozygotic twins, that is, when do they split?   show
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show chorion, placenta  
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show chorion, placenta, amnion  
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show none  
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show fetus papyraceus  
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show conjoined twins  
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show monoamniotic  
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Created by: mhassan
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