Notes in Congenital Abnormalities and Teratology

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Published	03/15/2025	\|  \|  \|  \|  \|
Published	03/15/2025	What type of birth defect is caused by an intrinsic process affecting organ development?
Published	03/15/2025	What type of birth defect results from an external factor interfering with normal development?
Published	03/15/2025	What is the term for an abnormal number of chromosomes, such as 45 or 47?
Published	03/15/2025	What is the most common type of chromosomal abnormality that causes Down syndrome?
Published	03/15/2025	What is the term for an embryo with some cells having 46 chromosomes and some with an altered number due to non-disjunction at cleavage?
Published	03/15/2025	Which genetic syndrome results from a mutation in the FGFR3 gene?
Published	03/15/2025	Which syndrome results from a maternal deletion on chromosome 15q11-q13?
Published	03/15/2025	What antibiotic can cause enamel defects if taken in the 3rd trimester?
Published	03/15/2025	What is the most common environmental cause of intellectual disability?
Published	03/15/2025	What type of radiation can act as a teratogen?
Published	03/15/2025	Which trisomy is associated with polydactyly (extra fingers)?
Published	03/15/2025	What is the most common trisomy at birth?
Published	03/15/2025	What prenatal test involves taking a sample of the placenta?
Published	03/15/2025	Which vitamin is essential for neural tube closure?
Published	03/15/2025	Which of the following best describes dysplasia?
Published	03/15/2025	Which of the following is a potential cause of congenital abnormalities?
Published	03/15/2025	Which of the following describes Turner syndrome?
Published	03/15/2025	Which of the following is true about mosaicism?
Published	03/15/2025	What type of inheritance is Fragile X syndrome associated with?
Published	03/15/2025	Which of the following medications is known to cause abnormal limb development if taken during pregnancy?
Published	03/15/2025	What are the characteristic facial features of fetal alcohol syndrome (FAS)?
Published	03/15/2025	Which of the following congenital abnormalities is associated with Trisomy 18?
Published	03/15/2025	What is a major risk associated with amniocentesis?
Published	03/15/2025	Place the early stages of embryonic development in the correct order.
Published	03/15/2025	Place the following events in chromosome non-disjunction in order.
Published	03/15/2025	Arrange the following in order of potential impact on embryonic development:
Published	03/15/2025	Arrange the following prenatal screening methods in order of when they are performed.
Published	03/15/2025	True or false: congenital abnormalities 1
Published	03/15/2025	True or false: congenital abnormalities 2
Published	03/15/2025	Complete this table with the type of birth defect and its description
Published	03/15/2025	Complete this table of conditions with its chromosome abnormality and key features
Published	03/15/2025	Complete this table of conditions with their causes and main features
Published	03/15/2025	Complete this table of congential abnormalities with their main causes
Published	03/15/2025	Fill this table of teratogens with their effects on the fetus
Published	03/15/2025	Fill this table of teratogens with their effects on the fetus
Published	03/15/2025	Fill this table of trisomies with their incidence and key features
Published	03/15/2025	Fill this table of screening tests with their purpose and risks
Published	03/15/2025	Hypodiploid \| Hyperdiploid \| Balanced Translocation \| Aneuploidy
Published	03/15/2025	Microcephaly \| Toxoplasmosis \| Teratogen \| Aneuploidy
Published	03/15/2025	IUGR \| FAS \| Congenital goiter \| LGA neonate
Published	03/15/2025	Trisomy 13 \| Trisomy 18 \| Trisomy 21 \| Pre-implantation screening \| Folic acid
Published	03/15/2025	[Monosomies] are typically lethal for embryos, especially for autosomal chromosomes.Congenital syphilis can cause [neural] defects, congenital deafnes…
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