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Questions and Answers
What is the primary cause of congenital heart diseases according to the text?
What is the primary cause of congenital heart diseases according to the text?
- Maternal diseases, Lupus, Diabetes
- Teratogens and exposure time
- Unknown in most cases (correct)
- Chromosomal abnormalities
Which of the following is NOT mentioned in the text as a potential cause of congenital heart diseases?
Which of the following is NOT mentioned in the text as a potential cause of congenital heart diseases?
- Radiation exposure (correct)
- Thalidomide
- Retinoic acid
- Lithium
What is the significance of the 'periconception period' mentioned in the text?
What is the significance of the 'periconception period' mentioned in the text?
- It is the time period when fetal echocardiography is performed
- It is the time period when chromosomal abnormalities can occur
- It is the time period when the mother should avoid teratogens (correct)
- It is the time period when the fetal heart develops
What is the role of fetal echocardiography according to the text?
What is the role of fetal echocardiography according to the text?
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What percentage of congenital heart diseases are associated with chromosomal abnormalities according to the text?
What percentage of congenital heart diseases are associated with chromosomal abnormalities according to the text?
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