Lesson 27: Embryology Week 3 Quiz

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  1. 1. The heart tubes arise from the:

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  2. 2. Sonic Hedgehog protein wasn’t really named after Sonic the Hedgehog.

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  3. 3. What nutrient should women take before and during pregnancy to help prevent neural tube defects?

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  4. 4. Which is the correct order?

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  5. 5. After the disc curls up, what is the inside called? (usually colored yellow)

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  6. 6. The side of the ectoderm with the primitive streak will become:

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  7. 7. The heart begins as 2 tubes.

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  8. 8. If the neural tube does not close properly, this can lead to a condition called:

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  9. 9. Neural crest cells will turn into any of these EXCEPT:

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  10. 10. The somites will eventually turn into the tissues that make the:

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  11. 11. The ectoderm will curl around the rest of the germ disc.

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  12. 12. Which is NOT true of the notochord?

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  13. 13. Blood vessels form with blood cells already inside them.

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  14. 14. Which means “stomach side”?

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  15. 15. What goes on in the yolk sac?

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