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Biology 299 Microbiology Test 4 With Correct Questions And Answers

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Biology 299 Microbiology Test 4 With Correct Questions And Answers o A reaction that uses the absence of hemolysis of red blood cells to indicate an antigen— antibody reaction is called a(n) A) agglutination reaction. B) complement fixation. C) immunofluorescence. D) neutralization reac...

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  • August 27, 2023
  • 17
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • biology 299 microbiology
  • biology 299 microbiology test 4 with correct ques
  • biology 299 microbiology test 4 with correct
  • biology 299 microbiology test 4 with
  • biology 299 microbiology test 4

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Biology 299 Microbiology Test 4 With Correct Q uestions And Answers o A reaction that uses the absence of hemolysis of red blood cells to indicate an antigen— antibody reaction is called a(n) A) agglutination reaction. B) complement fixation. C) immunofluorescence. D) neutralization reaction. E) precipitation reaction. o A DNA plasmid encoding a protein antigen from West Nile virus is injected into muscle cells of a horse. This is an example of a(n) A) subunit vaccine. B) conjugated vaccine. C) nucleic acid vaccine. D) attenuated whole -agent vaccine. E) live whole -agent vaccine. o The clumping of test red blood cells indicates a negative test result (no antibodies against the virus in the patient's serum) in the A) direct agglutination test. B) indirect agglutination test. C) complement -fixation test. D) precipitation test. E) viral hemagglutination inhibition test. o The chemical mediators of anaphylaxis are A) found in basophils and mast cells. B) antibodies. C) antigens. D) antigen -antibody complexes. E) the proteins of the complement system. o Which of the following may result from systemic anaphylaxis? A) hay fever B) asthma C) shock D) hives E) immunodeficiency o Which antibodies will be in the serum of a person with blood type B, Rh+? A) anti-A, anti-B, anti-Rh B) anti-A, anti-Rh C) anti-A D) anti-B, anti-Rh E) anti-B o Which of the following types of transplant is least compatible? A) autograft B) allograft C) isograft D) xenotransplant E) All of these types of transplant are equally compatible. o When testing donated blood for compatibility you would find a person with O type blood A) has O type antigens on their red blood cells. B) will lack plasma antibodies to A and B type antigens. C) will lack A and B red blood cell antigens. D) lacks HLA and MHC antigens. E) will have anti-O antibodies in their plasma. o Graft -versus -host disease will most likely be a complication of a(n) A) skin graft. B) bone marrow transplant. C) blood transfusion. D) Rh incompatibility between mother and fetus. E) corneal transplant. o A positive tuberculin skin test is an example of A) delayed cell-mediated immunity. B) autoimmunity. C) acute contact dermatitis. D) psoriasis. E) innate immunity. o A healthy immune system destroys cancer cells with A) tumor -specific antigens. B) CTLs. C) CTLs and activated macrophages. D) activated macrophages. E) CD+ T cells. Answer: C o All of the following are true of hypersensitivity EXCEPT A) it occurs in the presence of an antigen. B) it is synonymous with "allergy." C) it occurs when an individual is exposed to an allergen for the first time. D) it is due to an altered immune response. E) it requires previous exposure to an antigen. o The symptoms of an immune complex reaction are due to A) destruction of the antigen. B) complement activation. C) phagocytosis.

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