ALU 301 Exam| 445 Questions and Answers 100% Correct.

Mediators - ANSWER-Immune cells release proteins that mediate inflammation and in the destruction of agents foreign to the host (interferons, interleukins, and immunoglobulins) Two main parts of the immune system - ANSWER-1) Innate Immune System 2) The Adaptive Immune System White blood cells of the innate immune system - ANSWER-1) Monocytes 2) Granulocytes (Neutrophils, Eosinophils, Basophils) 3) Natural Killer (NK) Cells Two types of T-lymphocytes - ANSWER-1) Cytotoxic T-cells 2) Helper T-cells What are the roles of the cytotoxic T-lymphocytes? - ANSWER-1) Destroy or remove the infectious microorganism 2) Recognize altered host cells that have become malignant Polyclonal Gammopathy - ANSWER-A broad-based spike would be seen on serum protein electrophoresis (SPEP) testing.More than one clone of lymphocytes has been stimulated to produce different antibodies Monoclonal Gammopathy - ANSWER-SPEP results with narrow peak known as a spike. Corresponds to an elevated level of a single antibody Agammaglobulinemia - ANSWER-A disorder that can result from a number of abnormal genes Monocytes - ANSWER-They circulate in the blood and are one part of the WBC differential in a CBC. When the leave the blood circulation, they migrate into tissues and mature into macrophages Granulocytes - ANSWER-The most abundant WBC in the blood count differential. They circulate in the blood and concentrate at a site of infection when signaled by macrophages Natural Killer (NK) Cells - ANSWER-Can act on its own with receptors that recognize damaged cells. They are important for surveillance of cancerous and pre-cancerous cells. Cells of the adaptive immune system - ANSWER-Lymphocytes 5 Classes of Immunoglobulins - ANSWER-IgG, IgA, IgM, IgE, IgD