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