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