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