1) Which system helps protect the body against infection? a) Gastrointestinal system b) Lymphatic system c) Cardiovascular system d) Urinary system 2) What cells engulf the pathogens? a) Monocytes b) Macrophages c) All d) Neutrophils 3) How to keep the lymphatic system healthy? a) Drink plenty of water to stay hydrated. b) Exposure to toxic chemicals like those in pesticides or cleaning products. c) Eat processed foods and foods with high oil and sugar content frequently. d) Sleep 10 hours a day. 4) What is lymphoma? a) Enlarged lymph nodes that are caused by infection, inflammation or cancer. b) A condition that you are born with. c) An inflammation of the lymph vessels. d) A type of cancer of the lymph nodes and occurs when lymphocytes grow and multiply uncontrollably. 5) What is the largest lymphatic organ? a) Thymus b) Spleen c) Liver d) Tonsils 6) Thymus gland produces what type of lymphocytes? a) B-cells b) T-cells 7) What is the inflammation of the lymph nodes called? a) Lymphadenopathy b) Lymphocytopenia c) Lymphadenitis d) Lymphedema 8) How many stages of cirrhosis are there? a) 2 b) 5 c) 1 d) 4 9) What is the function of the lymphatic system? a) Responsible for the removal and filtration of interstitial fluid from tissues. b) For digestion and absorption. c) Protects the body's internal living tissues and organs d) Release hormones into the bloodstream.

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