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