Class notes
Human Physiology: Immunity
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Want a concise overview of the lymphatic and immune system? These notes are organized into the two systems respectively and give a simple overview of the subtopic.
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Some examples from this set of practice questions
1.
Outline the three primary functions of the lymphatic system
Answer: To maintain homeostasis, blood pressure, and prevent against illness/infection.
2.
What are 3 key features of the lymphatic system?
Answer: Could say up to 3 of the following: lymphs, lymphatic vessels, lymph nodes, lymph duct, lymph organs
3.
Where else outside the lymphatic tract can lymphocytes be found and why?
Answer: Digestive and Respiratory Tract in mucosa associated lymphoid tissues (MALTs); serve as a more direct line of protection from pathogens/foreign bodies which enter predominantly from the air and our food.
4.
What are the two specific systems in to immunity?
Answer: Innate and adaptive systems
5.
Which of the following are only part of the adaptive system? a) phagocytes, antimicrobial proteins, mast cells b) T lymphocyte cells, and B lymphocyte cells c) dendritic cells, macrophages, B lymphocyte cells
Answer: b
6.
How are antibodies produced in response to a foreign body? (5 marks)
Answer: a) antibodies are produced by B lymphocytes b)B lymphocytes are activated by T cells c) T cells attack any infected cells/foreign bodies (specifically helper cells) d) antibodies are produced to be receptive to a specific pathogen e) determined by the antigen on the pathogen surface f) antigens are signals proteins presented on the pathogen surface to identify the pathogen
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