Immune System Homework: Complement System, Macrophages, and Leukocyte Extravasation, Assignments of Immunology

Download Immune System Homework: Complement System, Macrophages, and Leukocyte Extravasation and more Assignments Immunology in PDF only on Docsity! Homework 1 NAME: ________________________ Due in Lecture 01/18/04 Section: ____________________ Score ______/65 = _______% Matching (1 point each ____/11) a. _16___ Exudate b. _2___ Dermis c. _15___ Lysosome d. _12___ Macrophage e. _4___ Lysozyme f. _17___ Bradykinin g. _6___ Interferon h. _8___ Edema i. _14___ Complement j. _5___ Extravasation k. _9___ Phagosome 1. Thin outer layer of skin 2. Layer of skin containing blood vessels and sebaceous glands 3. One of several acute-phase proteins 4. Hydrolytic enzyme found in mucous secretions 5. Migration of a phagocyte through the endothelial cell wall 6. Has antiviral activity 7. Induced vasodilation 8. Accumulation of fluid in intercellular space, resulting in swelling 9. Large vesicle containing ingested particulate materials 10. Accumulation of dead cell, digested materials and fluid 11. Adherence of phagocytic cells to the endothelial wall 12. Phagocytic cells found in the tissues 13. Phagocytic cells found in the blood 14. Group of serum proteins involved in cell lysis and clearance of antigen 15. Cytoplasimic vesicle containing degredative enzymes 16. Protein rich fluid that leaks from capillaries into the tissues. 17. Stimulated pain receptors in the skin Multiple Choice (1 Point each _____/9) 1. The Primary function(s) of IFN- and IFN- is to: a) induce T cell differentiation b) prevent viral replication c) signal neighboring cells to prepare them for infection. d) a & b e) b & c f) a & c g) all of the above h) none of the above 2. Tissue damage or infection causes a) vasodilation b) recruitment of neutrophils c) release of chemotactic factors d) a & b e) b & c f) a & c g) all of the above h) none of the above 3. The initial adherence and rolling step of the leukocyte extravasation process is mediated by: a) Mucins and Integrins b) intigrins and immunoglobin-like molecules c) Ig-like molecules and mucins d) Ig-like molecules and selectins e) selectins and mucins f) selectins and integrins 4. C3b can function as: a) a chemoattractant b) opsonin for phagocytosis c) part of a C3 convertase d) a & b e) b & c f) a & c g) all of the above h) none of the above 5. Properdin functions to: a) Block C9 polymerization b) stabilize C3 convertase c) cleave Factor B d) a & b e) b & c f) a & c g) all of the above h) none of the above 6. Cells Undergoing Apoptosis: a) scream for help! b) cause more inflammation than cells undergoing necrosis c) are rapidly engulfed by macrophages d) a & b e) b & c f) a & c g) all of the above h) none of the above 7. Neutrophils are: a) responsible for formation of pus b) phagocytic cells c) cells possessing a multilobed nucleus d) a & b e) b & c f) a & c g) all of the above h) none of the above 8. Which of the following traits are shared by both macrophages and neutrophils? a) Ability to present exogenous antigens to T-cells b) production of reactive nitrogen and oxygen metabolites. c) ability to phagocytose d) a & b e) b & c f) a & c g) all of the above h) none of the above 9. The Systemic acute-phase inflammation response involves a) TNF alpha b) IL-1 c) IL-6 d) a & b e) b & c f) a & c g) all of the above h) none of the above