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