Immunology Overview Exam 1 Flashcards
What are two examples of physical barriers?
Skin 2m squared
Mucous membranes 400m squared
Non-specific defense of the body
Innate immune system
Specific defense of the body involving cognant antigen
Adaptive immune system
What are 3 examples of cell types in the innate immune system?
Monocytes/macrophages
Neutrophils
Natural killer cells
Which system is inflammation classified under?
Innate immune system
What are 2 examples of cell types in the adaptive immune system?
B cells
T cells
What are antibodies?
B cells
Do B cells kill?
No, mark target for destruction (opsonize)
In adaptative immune system, what is the basis for immunization?
Memory
Antibodies and T cell receptors looking for their match to bind to which allows proliferation
Cognant antigen
What are some antigen presenting cells required by T cells for activation?
Dendritic cells
Macrophages
B cells
Hormone like messengers produced especially by T helper cells that communicate with other cells
Cytokines
Examples of cytokines
Interleukins, interferon, tumor necrosis factor
What causes a hypothalamic fever response?
IL-1
What functions as a billboard to display peptides?
Major histocompatibility complex
