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 storage facility garbage bag food pantry air pocket water bottle 2. The cells that will eventually make the heart begin to contract in rhythm before the heart is fully formed.1 True False 3. When will the embryo tear free from the lining of the uterus?1 On day 21. When the ovary sends a chemical signal to the uterus to shed its lining. When the level of progesterone reaches a high enough level. When the umbilical cord is developed enough to provide nutrients to the embryo. 4. The somites will turn into all the tissues of the back– the vertebrae, muscles and skin.1 True False 5. The embryo’s blood never mixes with the mother’s blood.1 True False 6. Which Greek word means “guts”?1 stoma ventra viscera peritonea placenta 7. The mesoderm produces all of these EXCEPT:1 muscles bags around the organs blood vessels skin heart kidneys 8. About how big is the embryo during week 4?1 about 1 centimeters about 2 millimeters about 2 centimeters 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. Provide a "platform" to anchor blood vessels that go to organs. Keep organs in place. Give the organs an air-tight, waterproof covering. 10. Which type of cross section gives you a lengthwise, top-to-bottom view?1 transverse saggital Lesson 27: Embryology Week 3 Lesson 29: Embryology Week 5 Back to: Lesson 28: Embryology Week 4
