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Bios 255 Exam 3 Review Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).
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Bios 255 Exam 3 Review Exam Questions and Answers 2024/2025( A+ GRADED 100% VERIFIED).
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Bios 255 Exam 3 Reviewprimary lymphatic organs - ANS red bone marrow and thymus
secondary lymphatic organs - ANS lymph nodes, tonsils, and spleen
Lymph draining from the small intestine has a milky appearance because of - ANS lipid
contents
Lymph can also contain - ANS macrophages, hormones, bacteria, viruses, cellular debris, and
cancer cells
interferons main function - ANS Infected cell release interferons and they bind to interferon
receptor on HEALTHY cell and infected cells will die
complement system - ANS A group of about 30 blood proteins that may amplify the
inflammatory response, enhance phagocytosis, or directly lyse extracellular pathogens.
Inflammation signs - ANS redness, heat, swelling, pain
Antigens - ANS foreign substances that trigger the attack of antibodies in the immune
response.
epitopes - ANS certain regions of an antigen molecule that stimulate immune responses
Haptens - ANS antigens too small to provoke immune responses; attach to carrier molecules
Humoral (antibody-mediated) immunity - ANS Mediated by antibodies that do not directly
destroy a pathogen but tag it for destruction
Many antibodies are dissolved in body fluids ("humors")
Can only work against the extracellular stages of infections by microorganisms
cell-mediated immunity - ANS type of immunity produced by T cells that attack infected or
abnormal body cells. They attack within the cell.
MHC II - ANS antigen presenting cells triggers activation of Helper T-cells CD4 Cells; triggers
activation of B cells
MHC I - ANS CD8 + T lymphocytes recognize antigens bound to this
T/F Vaccines will stimulate both humoral and adaptive immunity - ANS true
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