Lesson 28: Embryology Week 4 Quizellenj2024-11-15T13:57:00-05:00 Please sign up for the course before taking this quiz. 1. The mesoderm produces all of these EXCEPT:1 blood vessels bags around the organs skin kidneys muscles heart 2. About how big is the embryo during week 4?1 about 2 centimeters about 2 millimeters about 1 centimeters 3. Which type of cross section gives you a lengthwise, top-to-bottom view?1 saggital transverse 4. Week 4 will see the development of a new structure called the allantois. Which of these describes its function?1 water bottle garbage bag storage facility food pantry air pocket 5. The embryo’s blood never mixes with the mother’s blood.1 True False 6. When will the embryo tear free from the lining of the uterus?1 When the umbilical cord is developed enough to provide nutrients to the embryo. When the ovary sends a chemical signal to the uterus to shed its lining. On day 21. When the level of progesterone reaches a high enough level. 7. Which Greek word means “guts”?1 peritonea ventra stoma placenta viscera 8. The somites will turn into all the tissues of the back– the vertebrae, muscles and skin.1 True False 9. The cells that will eventually make the heart begin to contract in rhythm before the heart is fully formed.1 True False 10. Which of these is NOT a function of the visceral or peritoneal membranes?1 Keep organs in place. Keep the intestines from getting twisted up as you move. Provide a "platform" to anchor blood vessels that go to organs. Give the organs an air-tight, waterproof covering. Lesson 27: Embryology Week 3 Lesson 29: Embryology Week 5 Back to: Lesson 28: Embryology Week 4