Mr. Samara Austin, a twenty-four-year footballer sustained a bruise on his right knee during training on the field and reported 3 days later with redness and oedema on the site. Explain the inflammatory process leading to the manifestations.

Human Heredity: Principles and Issues (MindTap Course List)
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Chapter17: Genes And The Immune System
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1. Mr. Samara Austin, a twenty-four-year footballer sustained a bruise on his right knee during training on the field and reported 3 days later with redness and oedema on the site.
Explain the inflammatory process leading to the manifestations.
2. The T lymphocytes as macrophages, secrete a number of polypeptides (cytokines) generally called lymphokines that serve as autocrine regulators of the immune system.
a. Identify any five (5) lymphokines and explain their functions.
b. Briefly state a function for each of the following immune cells.
 Monocytes
 Mast Cells
 B Lymphocytes
 Cytotoxic, T Lymphocytes
 Helper T Lymphocytes

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