10 Questions
What is the primary mode of transmission for a specific disease mentioned in the passage?
Via blood products, semen, and female genital secretions
What makes the developing fetal brain more vulnerable to environmental toxins?
The immaturity and permeability of the blood-brain barrier
What is the primary adverse effect of maternal smoking during pregnancy on fetal growth?
Increased risk of placenta previa and placental abruption
What is the most common teratogenic cause of developmental disabilities?
Exposure to alcohol in utero
What is the main effect of untreated PKU on the developing fetal brain?
Impaired cognitive development and intellectual disabilities
What is phenylalanine, and how is it obtained?
A protein building block obtained from eating certain foods and artificial sweeteners
What is the primary characteristic of the brain's growth during the 2nd trimester?
Rapid growth and neuronal migration
What is the effect of prenatal toxins on the developing fetal brain?
They are more harmful to the developing fetal brain than to other organs
What is the primary risk associated with maternal smoking during pregnancy?
Increased risk of placenta previa and placental abruption
What is the effect of untreated PKU on the infant's brain development?
It impairs cognitive development and intellectual disabilities
This lesson takes you through the pre-natal development process, highlighting common hazards and promoting an appreciation for the value of life. Read the article 'Life before Birth' and reflect on your feelings and reactions.
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