Lesson 28: Embryology Week 4 Quiz

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  1. 1. About how big is the embryo during week 4?

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  2. 2. The somites will turn into all the tissues of the back– the vertebrae, muscles and skin.

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  3. 3. The cells that will eventually make the heart begin to contract in rhythm before the heart is fully formed.

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  4. 4. Which of these is NOT a function of the visceral or peritoneal membranes?

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  5. 5. Week 4 will see the development of a new structure called the allantois. Which of these describes its function?

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  6. 6. The mesoderm produces all of these EXCEPT:

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  7. 7. Which type of cross section gives you a lengthwise, top-to-bottom view?

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  8. 8. Which Greek word means “guts”?

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  9. 9. When will the embryo tear free from the lining of the uterus?

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  10. 10. The embryo’s blood never mixes with the mother’s blood.

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