Lesson 28: Embryology Week 4 Quizellenj2023-01-18T21:05:39-05:00 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. Which of these is NOT a function of the visceral or peritoneal membranes?1 Keep organs in place. Keep the intestines from getting twisted up as you move. Give the organs an air-tight, waterproof covering. Provide a "platform" to anchor blood vessels that go to organs. 4. 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. 5. Which Greek word means “guts”?1 peritonea placenta ventra stoma viscera 6. About how big is the embryo during week 4?1 about 1 centimeters about 2 millimeters about 2 centimeters 7. The mesoderm produces all of these EXCEPT:1 kidneys bags around the organs skin heart blood vessels muscles 8. The embryo’s blood never mixes with the mother’s blood.1 True False 9. Week 4 will see the development of a new structure called the allantois. Which of these describes its function?1 water bottle air pocket garbage bag storage facility food pantry 10. The somites will turn into all the tissues of the back– the vertebrae, muscles and skin.1 True False Lesson 27: Embryology Week 3 Lesson 29: Embryology Week 5 Back to: Lesson 28: Embryology Week 4
