UNCG Bio 280 Final Exam quizzes and answers

Command Center Monitor Body Fluids - Lymphoid Organs Series of blind-ended vessels which drain body tissues (ended by the lymph nodes) - Lymphatic System Where are T and B cells produced? - Bone Marrow Where do T cells mature? - Thymus Where do B cells mature? - Bone Marrow What do T and B cells colonize? - The same lymphatic tissues Lymphoid Organs - Lymph Nodes Spleen Mucosal Associated Lymphatic Tissue Mucosal Associated Lymphatic Tissue (MALT) - Tonsils (Face) Adenoids (Above Tonsils) Peyer's Patches (Inside Intestines) Appendix (Below Large Intestine) During what phase is the antigen processed? - Level 2, Phagocytosis "Holder" on APC cell - Macrophages - Dendritic Cells - B-Lymphocytes - MHC II MHC II cells used for? - Present antigen to immune cells APC - Antigen Presenting Cell MHC I used for what kind of cells? - All nucleated cells Holds antigen on viral "self" cells MHC I Cells used for? - Self-recognition (while empty) ID of abnormal self cells (when it hold antigen) Cell-Mediated Immunity (Carried out by Cells) - 1. First initiated (1-2 days) 2. T-cell activation and cloning 3. Specific cytotoxic T-cells go throughout body Humoral Immunity (carried out by antibodies) - 1. Delayed Initiation (2-5 days) 2. B-cell activation 3. Plasma cells release antibodies