| T/F The first system to form in utero is the neurological system. |
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True, it starts to form in the first 3-4 weeks.
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| When does the neurological system begin to form in utero? |
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Around 3-4 weeks.
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| What two CNS structures are formed from the neural tube during in utero development? |
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The brain and spinal cord
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| By the _______ week of gestation, the neural tube has closed at the anterior end to form the brain and at the posterior end to form the spinal cord. |
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4th week
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| By the second month of gestation the brain becomes the prominent body structure. Its grows rapidly and continues to grow until the _____ year of life. |
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5th
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| What are four general reasons that malformations of the brain and spinal cord develop in utero? |
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Infections, trauma, teratogens,and malnutrition during pregnancy
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| What factors increase the risk of cranial bone fractures in infants? |
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The cranial bones aren't well developed and are unfused.
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| Why are infants at increased risk for hemorrhages? |
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The infant's brain is highly vascular
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