lymphatic review true or false Lymphatic Review True/False Indicate whether the
ID: 3524049 • Letter: L
Question
lymphatic review true or false Lymphatic Review True/False Indicate whether the statement is true or false 1. The two most important functions of the lymphatic system are the maintenance of fluid balance in the internal environment and immunity 2. About 1.5 liters of lymph flows through the thoracic duct daily 3. The lymphatic system, like the circulatory system, is a closed cireuit 4. Besides fluid balance and immunity, the lymphatic system plays an important role in the absorption of lipids. 5. The lymphatic system is actually a specialized component of the circulatory system, because it consists of a moving fluid derived from the blood and tissue fluid and a group of vessels that return the fluid to the blood 6. Both lymph and interstitial fluid contain a higher percentage of proteins than does plasma. 7. Lymph is derived from blood and tissue fluid. 8. Lymphatics have thicker walls than do veins. 9. Lymphatic vessels originate as microscopic, blind-end vessels called lymphatic capillaries. 10. Lymphatic vessels contain more valves than do veins 11. Lymph from the entire body drains eventually into the thoracic duct. 12. Lymph contains platelets, which allow clots to form in lymphatic vessels 13. Lymphatic capillaries (called lacteals) in the small intestine are important in the absorption 14. The cisterna chyli drains into the right lymphatic duct. 1s. Veins have more valves than do lymphatics. 16. Protein substances that have left the bloodstream return by way of lymph fluid. 17. Chyle is milky lymph that is high in fat content.Explanation / Answer
1.True.
2.False.The total flow of lymphatic fluid in thoracic duct is around 4 to 5 litres a day.
3.False.The lymphatic system is not a clossed system.
4.True.The lymphatic system helps in the absorption of fats and fat soluble vitamins from the digestive system and transports them to blood circulation.
5.True.
6.True.
7.True.Lymph is derived from the plasma,which is the fluid portion of blood.
8.False.Lymph vessels are thin walled as they are lined by endothelial cells.
9.True.This unique structure permits the interstitial fluids flow into them but not out of them.
10.True.
11.False
12.True,but in smaller amounts as compared to blood.
13.Lymphatic capillaries in the small intestine helps in the absorption of fats.
14.False.Flows into the right lymphatic duct.
15. False.
16 True.
17.True.
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