General microbiology



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A. Decreased IgA, IgM B. Increased IgA, IgM
C. Increased IgD, IgE D. No changes E. Decreased IgD, IgE
183. What condition may develop 15 30 minutes after re-administration of the antigen as a result of the increased level of antibodies, mainly IgE, that are adsorbed on the surface of target cells, namely tissue basophils (mast cells) and blood basophils?
A. Anaphylaxis B. Immune complex hyperresponsiveness
C. Delayed-type hypersensitivity D. Serum sickness
E. Antibody-dependent cytotoxicity
184. A 30-year old patient has dyspnea fits, mostly at night. He has been diagnosed with bronchial asthma. What type of aller reaction according to the Gell-Coombs classification is most likely in this case?
A. Anaphylactic B. Immune complex
C. Delayed-type hypersensitivity D. Stimulating
E. Cytotoxic
185. You work with the following specimens: 1) brucellosis topical vaccine; 2) leptospirosis vaccine; 3) BCG vaccine; 4) adsorbed diphtheria-tetanus pertusisis vaccine (DPT vaccine); 5) tetanus toxoid adsorbed. What kind of immunity do they produce?
A. Artificial active immunity B. Antibacterial immunity
C. Artificial passive immunity D. Non-sterilizing (infectious) immunity
E. Antitoxic immunity
186. Examination revealed that the patient has an insufficient immunoglobulin count. The likely cause of this finding is a dysfunction of the following immune system cells?
A. Plasmablasts B. T-killers C. T-supressors D. T-helpers E. Plasma cells
Special
1. At the laboratory experiment the leukocyte culture was mixed with staphylococci. neutrophile leukocytes engulfed and digested bacterial cells. This process is termed:
A. Phagocytosis
B. Pinocytosis
C. Diffusion
D. Facilitated diffusion
E. Osmosis
2. During the repeated Widal’s agglutination test it was noticed that the ratio of antibody titers and O-antigens S.typhi in the patient’s serum had increased from 1:100 to 1:400. How would you interpret these results?

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