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- Activated complement proteins ________. a. puncture cells c. attract macrophages b. promote inflammation d. all of the aboveInterleukins are associated primarily with which of the following? production of various lymphocytes immune responses inflammation all of the aboveWhich statement is incorrect?a. IgG is the most abundant antibody in bloodb. Antibodies can exist at the surface of a B cell, or circulate freely in blood.c. IgM is found in the lining of the genitourinary, gastrointestinal and respiratory tractsd. IgE is involved allergic reactionse. Macrophages are involved in chronic infections
- 2. Which of the following macromolecules usually act as the best immunogens? A. Carbohydrates C. Proteins E. none of the above 3. Which of the following is a central lymphoid organ? A. GALT D. bone marrow 4. Antibodies generally bind only a small part of a big molecule. What do we usually call the small part of the molecule that is bound by a particular antibody? A. target D. adhesion determinant 5. If "natural" antibody to the A and B blood group antigens were IgG, then hemolytic disease of the newborn could occur in the B. lipids D. nucleic acids C. spleen E. B and D B. thymus C. epitope E. antigenic site B. attachment site children of: A. O mothers and fathers. B. A mothers and A fathers. C. A mothers and O fathers. D. O mothers and E. none of the above. 6. The effector cells which carry out ADCC ("antibody-dependent cell-mediated cytotoxicity") must express membrane-bound: A. Complement receptors C. T cell receptors E. CD28 7. Infants are susceptible to respiratory tract infections…3. Serum proteins that increase in concentration within 24 to 48 hours of the onset of infection or injury are called: A. antibodies B. immunoglobulins. C. gamma globulins D. acute-phase proteins 4. Which of the following can be measured as an indicator of inflammation? A. Body temperature B. Number of circulating leukocytes C. Erythrocyte sedimentation rate 5. Acute-phase reactants are elevated in a patient's serum. What does this result, on its own, indicate about the patient? A. Inflammation of an unknown cause is present B. The patient has a leukemia but not a lymphoma. C. The patient has a bacterial infection. D. There is a parasiticfinfection and not a viral infection. 6. The phagosome of a macrophage is a membrane-bound vesicle that contains: A. enzymes A. reactive oxygen intermediates. B. ingested pathogens C. perforin and granzymes. 7. Macrophages recognize target cells using which of the following? A. MHC class I molecules B. Toll-like receptors7. _ (blank) _ produce antibodies that are released into the bloodstream. Select one: a. B cells b. T cells c. Plasma cells d. Memory cells e. Mast cells 8. What is produced by white blood cells and act to stimulate other white blood cells? Select one: a. Immunoglobulins b. Histamines c. Interferons d. Interleukins e. Complements 9. An important step in the body's second line of defense is to identify the pathogen's _ (blank) _. Select one: a. Antibodies b. Histamines c. Antigens d. Cytokines e. Interferons
- 16. Which cell type assist and interact with both humoral and cell-mediated immunity? A. Macrophages B. Cytotoxic T cells C. Memory T cells D. Helper T cells 17. Which of these cells are involved in cell-mediated immunity by destroying virally infected cells and rejecting organ transplants? A. Natural killer cells B. B cells C. Macrophages D. Cytotoxic T cells 18. Identify the junction between an axon and another cell. A. Synapse B. Presypnaptic cell C. Postsypnaptic cell D. Neurotransmitter4. Lymph nodes function to a. provide a site for lymphocyte reproduction b. anchor lymphatic vessels c. provide a site for phagocytosis of foreign cells or debris d. a and b are correct e. a and c are correct 5. Lymph vessels that conduct lymph into a lymph node are termed a. efferent lymphatic vessels b. efferent arterioles c. afferent arterioles d. afferent lymphatic vessels e. none of the above 6. The lymphatic system functions to a. maintain extracellular fluid balance b. collect excess fluid from the interstitial spaces c. defend the body against foreign cells and molecules d. a and c are correct e. a, b, and c are correct4. Which of the following statements about antibodies is incorrect? A. Antibodies are secreted by plasma cells. B. Antibodies target both bacteria and free viruses. C. Antibodies work against bacterial toxins by neutralizing them. D. Antibodies activate complement proteins through the classical pathway. Antibodies eliminate bacteria by perforating them directly. E.
- 22. Your patient is born without B cells. He cannot a. fight off intracellular infections b. have a Type IV hypersensitivity reaction c. fight off extracellular infections d. destroy microorganisms through alternate complement e. c & d45. Which of the following would be involved in reacting to a first-time exposure to Mycobacterium tuberculosis? a. a pre-7-10-day production of IgM b. activation of only T cells by T cells с c. memory B cells d. MHC I or II e. the macrophage as the first leukocyte arriving to the site of infection 46. The F region can do all the following except a. interact with pseudopods b. bind to B cells c. bind to T cells d. bind to pmns initiate endocytosis e. 47. Lysogeny can be linked to cervical cancer a. b. be linked to Streptococcus pneumoniae infections c. cause the production of a new bacterial strain d. be used as a possible cure for cancer e. all the above 48. Viruses that infect fungal cells probably recognize a. cholesterol b. ergosterol c. pencillin binding proteins d. DNA gyrase e. beta-lactamase 49. Which of the following would be an ineffective antiviral drug? a. one that blocks viral attachment b. one that inhibits viral nucleic acids replication c. one that destroys only the…1. Match the following leukocytes (A-L) with the correct description (a-j). Each term should be used only once or it should not be used at all. (b) (c) (d) (e) (f) A. Mast cells B. Neutrophils C. Macrophages D. Eosinophils E. Monocytes F. Dendritic cells G. B cells H. Helper T cells I. Cytotoxic T cells J. Basophils K. Plasma cells L. Natural killer cells can perform phagocytosis and they are the most abundant type of leukocytes in the blood. are found in various tissues and release histamine and other chemicals involved in inflammation. are cytotoxic cells used for the killing of parasites are transformed into macrophages when they enter tissues. are antibody-producing cells. belong to the specific immune system and can kill virus-infected cells and cancer cells. have receptors consisting of two heavy chains and two light chains _can kill pathogens by phagocytosis and present peptide antigen fragments on MHC molecules. are found in the blood and are involved in allergic reactions. are…