Lesson 27: Embryology Week 3 Quizellenj2023-01-13T13:49:28-05:00 Please sign up for the course before taking this quiz. 1. Neural crest cells will turn into any of these EXCEPT:1 bones and tissues of the middle ear lining of mouth and stomach melanocyte skin cells nerves of face and head nerves around heart and spinal cord 2. If the neural tube does not close properly, this can lead to a condition called:1 carcinoma paralysis spina bifida cerebral palsy 3. The heart begins as 2 tubes.1 True False 4. Which is the correct order?1 blastulation, implantation, gastrulation, neurulation blastulation, gastrulation, implantation, neurulation implantation, neurulation, blastulation, gastrulation implantation, blastulation, gasturlation, neurulation 5. What nutrient should women take before and during pregnancy to help prevent neural tube defects?1 vitamin D folic acid (a B vitamin) vitamin A riboflavin ( a B vitamin) vitamin C vitamin B 12 6. Sonic Hedgehog protein wasn’t really named after Sonic the Hedgehog.1 True False 7. Blood vessels form with blood cells already inside them.1 True False 8. After the disc curls up, what is the inside called? (usually colored yellow)1 the neural tube the primitive groove the gut tube 9. The somites will eventually turn into the tissues that make the:1 face digestive system spine arm and leg bones 10. Which is NOT true of the notochord?1 It will control the organization of body tissues. It will turn into the spinal cord. It secretes a chemical called Sonic Hedgehog (SHH). 11. The ectoderm will curl around the rest of the germ disc.1 True False 12. The side of the ectoderm with the primitive streak will become:1 the side that will develop into legs and feet the inside, including the digestive tract the brain and nervous system the side that will develop into the head 13. Which means “stomach side”?1 ventral dorsal 14. The heart tubes arise from the:1 mesoderm ectoderm yolk sac endoderm 15. What goes on in the yolk sac?1 tiny blood vessels form nutrients are produced for the embryo nothing important the lining of the intestines begins to form Lesson 26: Embryology Week 2 Lesson 28: Embryology Week 4 Back to: Lesson 27: Embryology Week 3
