1- Which are the three layers of human body line of defenses? Also explain how it work.2- Explain how the Inflammatory process occurs in normal physiologic response?3- Describe the functions of each of the following Defense Cells and where are located: Dendritic Cells, Macrophages, Neutrophils, Eosinophils.4- What is Phagocytosis?5- Features of Local Acute Inflammation.6- Systemic Manifestations of acute Inflammation.7- What is wound healing by Secondar Intention?8- Causes of Dysfunctional Wound Healing.9- What is adaptive Immunity?10- States functions of T Lymphocytes and B Lymphocytes.11- Active Immunity vs Passive Immunity: differences and examples of.12- What are antibodies? What is an antigen?13- Explain about Neonate Immune Function.14- Explain the four types of Hypersensitivity Reactions with examples of each.15- Clinical Infections Disease has four stages…Mention these stages.16- Concepts of epidemic, Endemic, and pandemic.17- Bacteria can produce a variety of toxic molecules that may kill the individual’s cells, disrupt tissue, and protect the individual against inflammation. Explain what are Exotoxins and what are Endotoxins?18- Explain the concept of Antigenic Variation.19- Concept of AIDS. What are the target cells of HIV infection in human body to affect the immune system?20- The current treatment for HIV infection is a combination of drugs called antiretroviral therapy (ART) that attacks different portions of the viral replication pathway.Explain all steps and enzymes with its functions of this replication pathway.21- Can neonates be infected with HIV? Why or why not?22- Mention some of the Infections a patient with AIDS may develop.23- Concept of Stress. Explain in a short paragraph what “Stress Response” is.24- What is Coping skills? How can coping affect people during stress?