Patients with a history of tuberculosis often show scars and other lesions in the lungs and experience recurrent infection. Account for these effects on the basis of the inflammatory response.
Answer to relevant QuestionsEach numbered figure 1–4 represents a cell that provides an immune defense. Each lettered figure A–D shows a pathogenic microbe. Name the cell and match it with its primary target microbe and effects. a. Describe what could be summarized as the three Rs of immunity: recognize, react, remember. b. Why would it be necessary for the T cells to bind both antigen and self (MHC) receptors? a. Discuss the reasons that the immune system sometimes behaves like a double-edged sword. b. Suggest a possible function of allergy. Why are primary immunodeficiencies considered “experiments of nature”? Explain how an immunoassay method could use monoclonal antibodies to differentiate between B and T cells and between different subsets of T cells.
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