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MIBO 3500 FINAL EXAM REVIEW QUESTIONS FULLY SOLVED &UPDATED 2023.
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- Oxford University (OX)
MIBO 3500 FINAL EXAM REVIEW QUESTIONS FULLY SOLVED &UPDATED 2023.
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MIBO 3500 FINAL EXAM REVIEWQUESTIONS FULLY SOLVED &UPDATED
2023
Immunity - answer Possessing the natural defenses to resist infection and other biological
assaults on the body
Innate Defenses - answer Generally non-specific;
Automatic defenses
Adaptive Immunity - answer Acquired from exposure / vaccination.
Immunity with memory.
Specificity is the key feature.
Humoral and Cellular immunity.
Skin Layers - answer Dermis: contains tightly woven connective tissues.
Epidermis: has many layers of epithelial cells.
Outermost cells: water repellent due to keratin.
Mucous Membranes - answer Trap invaders using cilia.
Antimicrobial substances.
Mucociliary escalator of respiratory tract pushes invaders into the oral cavity.
Chemical Barriers - answer Lysozyme
Peroxidase
Lactoferrin
Defensins
, Hematopoiesis - answer The production of blood cells and platelets, which occurs in the bone
marrow.
Leukocytes - answer Present in the blood stream.
White blood cells to fight infection.
Include granulocytes, phagocytes, lymphocytes, and dendritic cells.
Erythrocytes - answer Carry oxygen through the blood.
Red blood cells.
Platelets - answer Important in blood clotting
Granulocytes - answer Basophils (allergic reactions)
Neutrophils (1st responders, short-lived, high numbers, focus the inflammatory response)
Eosinophils (for parasites and allergens)
Polymorphonuclear Leukocytes - answer Neutrophils
Monocyte - answer Immature phagocyte circulating in blood; mature into macrophages
Phagocytes - answer Engulf & destroy microbes and cellular debris
Phagocytosis - answer Chemotaxis by C5a protein attracts cells --> Recognition --> Attachment
via opsonins --> engulfment (phagosome) --> phagosome-lysosome fusion
Destruction by Phagosomes - answer Decreased pH
Production of toxic oxygen metabolites
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