Practice Exam FOUR

Practice Exam FOUR - MCB 2000 Fall 2011 Practice Exam Four...

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Unformatted text preview: MCB 2000 Fall 2011 Practice Exam Four 1. Interferons are types of cytokines that are primarily produced in response to: (1) fungal infection (*) viral infection (3) bacterial infection (4) protozoan infection 2. Type II hypersensitivity is mediated by: (1) TH1 cells (2) any T cell (*) Antibody and complement (4) None of the choices 3. The most effective form of penicillin is: (1) E (2) A (3) B (*) G 4. Bacteria can increase the Earth's temperature by (1) heat generated by metabolic activity (2) absorbing heat through photosynthesis (3) fixing the CO2 (*) producing CH4 (5) generating glucose through photosynthesis 5. These membrane proteins play a major role in body's rejection of transplant organ and tissue. (1) Antibodies (2) Complement proteins (3) Cytokines (*) MHC proteins 6. Which test is used to determine the susceptibility of a microorganism to an antimicrobial agent? (1) Minimum inhibitory test (2) Stability test (3) Ames test (*) Kirby-Bauer test (5) None of these 7. Making antibodies against one's own molecules causes: (1) Cell-mediated immunity (2) Non-specific immunity (3) Passive immunity (4) Innate immunity (*) Autoimmune diseases 8. AIDS patients have a CD4 cell deficiency and they are susceptible to life-threatening viral infections. Knowing this, you can Test Code = 11112 conclude that (1) Antibodies are important in fighting viruses (2) Viral infections can be fatal (*) Helper T cells are important in fighting viruses (4) Viruses are hard to treat 9. Which of the following microbes lives in the gut of termites and assist them in digestion of ingested wood? (1) Viruses (2) Bacteria (*) Protozoa (4) Molds (5) Fungi 10. Which of the following may not be found in lymph system? (1) antigens (2) white blood cells (*) red blood cells (4) complement proteins (5) antibodies 11. Immediate type hypersensivity involves all of the following EXCEPT: (1) allergic reaction to pollen and dust (2) anaphylactic reaction (3) Occurs almost immediately (*) Mediated by T cells (5) Mediated by IgE antibodies 12. Immune cells communincate through which of the followings: (1) Complements (2) Antibodies (3) Perforins (*) Cytokines (5) Antigens 13. Which of the following is an antifungal drug? (1) Amantidine (2) Penicillin (*) Polyens (4) (5) Streptomycin 14. Transplant rejection is: (1) Type I hypersensitivity (*) Type IV hypersensitivity (3) (Type III hypersensitivity (4) Type II hypersensitivity 15. Blood transfusion adverse reactions are examples of: (1) type I autoimmunity (2) Type III autoimmunity. (*) type II hypersensitivity. (4) type IV hypersensitivity. 16. Why protease inhibitors are such powerful drugs against certain viruses? Because: (*) They inhibit posttranslational modification of viral proteins Test Code = 11112 (2) They degrade viral proteins (3) They inhibit posttranscriptional modification of viral proteins (4) They prevent viruses from attaching to the host cells (5) They inhibit synthesis of viral proteins 17. How antibody may be effective against bacterial infection?17....
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This note was uploaded on 11/27/2011 for the course MCB 2000 taught by Professor Staff during the Fall '08 term at University of Florida.

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Practice Exam FOUR - MCB 2000 Fall 2011 Practice Exam Four...

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