ylutose levels. b. Absorbing dietary fats. C. Activating the immune system. d. T
ID: 3522648 • Letter: Y
Question
ylutose levels. b. Absorbing dietary fats. C. Activating the immune system. d. Transporting excess interstitial fluid back to the heart 4 TruelFalse: Mark the following statements as true() or false (F). If the statement is false, correct it to makei a true statement. a. The thoracic duct drains lymph from the right upper limb and the right side of the head, neck, and thorax. b. The spleen filters lymph, whereas lymph nodes filter blood c. Lymph capillaries surround blood capililaris and pick up excess interstitial fuid to return t to the blood. d. Tonsils are specialized MALT that are partially encapsulated. 5 What is the function of the thymus? a. Traps pathogens in lymph. b. Filters the blood. c. Mediates inflammation d.) Serves as the site of T lymphocyte maturation. and contains Lymph from the intestinal lymph trunks drains into the a. lymphatic capillaries; fats b. cisterna chyl; fats C. lacteal; proteins d. blood capillaries; proteins 6 7 Describe the components and functions of the three lines of immune defense. Lymphatics and Immunity UNIT 21575Explanation / Answer
4. a. False. The thoracic duct drains lymph into the circulatory system at the left brachiocephalic vein between the left subclavian and the left internal jugular vein whereas lymphatic duct drains lymph from the right upper limb and the rght side of head, neck and thorax.
b. False. Lymph nodes filter lymphs whereas spleen filters blood.
c. True
d. True
5. d
6. b
7. The first line of defence includes physical and chemical surface barriers that prevent the entry of pathogen into the body.
The second line of defence includes the nonspecific responses of innate immunity, which includes phagocytes and the inflammatory response.
The third line of defence includes the specific responses of adaptive immunity, which includes antibodies and the cell - mediated response.
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