Module_04_Lab_Worksheet_04232018.docx

4 what role do the lymph nodes have within the

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4. What role do the lymph nodes have within the lymphatic system? How does it allow for activation of immune system cells? Lastly, how does metastatic cancer pertain to the lymphatic system and lymph nodes? The lymph nodes store T, B, and other immune cells, as well as acting as a filter for foreign substances and cancerous cells. The lymph nodes can become inflamed signaling disease or illness. Cancer that starts in one part of the body can spread to the lymph node which is called metastasis. When cancer reaches the lymph node, the stage of cancer can be determined more precisely and can affect the course of treatment (Betts, 2017). 5. Compare and contrast the differences with immunodeficiency, hypersensitivity and autoimmune disorders including the basic treatments for each type. Immunodeficiency: The lack of the immune system to defend against infection. Treatment includes prevention and treatment of infection. Boosting the immune system with vitamins is one way to prevent infection. Hypersensitivity: Hyperactivity to everyday antigens, treatment includes: antihistamines, steroids, and/ or avoiding allergens. Autoimmune Disorders: When the body’s own immune system attacks healthy cells. Treatment to suppress immune system includes steroids References:
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Betts, J. G., Desaix, P., Johnson, E., et. al. (2017). Anatomy & physiology . Houston, TX: OpenStax College, Rice University. Introduction to Immunology Tutorial. (2000, May). Retrieved April 26, 2018, from http://www.biology.arizona.edu/immunology/tutorials/immunology/page3. html Influenza (Flu). (2018, February 15). Retrieved April 26, 2018, from https://www.cdc.gov/flu/professionals/vaccination/effectiveness- studies.htm Simancas-Racines, D., Guerra, C. V., & Hidalgo, R. (2013, June 12). Vaccines for the common cold. Retrieved April 26, 2018, from https://www.ncbi.nlm.nih.gov/pubmed/23757114
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