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Questions and Answers
What is the primary mode of transmission for a specific disease mentioned in the passage?
What is the primary mode of transmission for a specific disease mentioned in the passage?
- Through airborne droplets
- Via blood products, semen, and female genital secretions (correct)
- Through contaminated food and water
- Direct contact with an infected individual
What makes the developing fetal brain more vulnerable to environmental toxins?
What makes the developing fetal brain more vulnerable to environmental toxins?
- The rapid growth of the brain during the 2nd trimester
- The immaturity and permeability of the blood-brain barrier (correct)
- The neuronal migration and differentiation process
- The pruning process in early childhood
What is the primary adverse effect of maternal smoking during pregnancy on fetal growth?
What is the primary adverse effect of maternal smoking during pregnancy on fetal growth?
- Increased risk of placenta previa and placental abruption (correct)
- Impaired cognitive development
- Reduced birth weight and length
- Increased risk of ADHD and behavioral challenges
What is the most common teratogenic cause of developmental disabilities?
What is the most common teratogenic cause of developmental disabilities?
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What is the main effect of untreated PKU on the developing fetal brain?
What is the main effect of untreated PKU on the developing fetal brain?
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What is phenylalanine, and how is it obtained?
What is phenylalanine, and how is it obtained?
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What is the primary characteristic of the brain's growth during the 2nd trimester?
What is the primary characteristic of the brain's growth during the 2nd trimester?
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What is the effect of prenatal toxins on the developing fetal brain?
What is the effect of prenatal toxins on the developing fetal brain?
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What is the primary risk associated with maternal smoking during pregnancy?
What is the primary risk associated with maternal smoking during pregnancy?
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What is the effect of untreated PKU on the infant's brain development?
What is the effect of untreated PKU on the infant's brain development?
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