Lesson 29: Embryology Week 5 Quiz

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  1. 1. The early embryo has a tail.

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  2. 2. What is the name of the flap that covers the trachea (wind pipe) during the swallowing process?

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  3. 3. The embryo’s heart cells are joined by gap junctions.

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  4. 4. What ultimately happens to the allantois?

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  5. 5. An opening that serves to expel both urine and feces is called:

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  6. 6. What collects the embryo’s wastes before the kidney, liver and bladder are formed?

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  7. 7. In general, the endoderm forms the interior of all the internal organs and the mesoderm forms the outer part.

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  8. 8. Which of the following will the endoderm NOT become?

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  9. 9. The embryo’s heart cells begin to contract before the heart forms.

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  10. 10. Which developmental part will become the wrinkly cerebrum?

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