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