Exam 3 2008.docx - Microbiology Lecture Exam 3 1 2 3 4 5 6 7 Class I Major Histocompatibility molecules(MHC-1 a Present antigen to CD8 T cells b Cause

Exam 3 2008.docx - Microbiology Lecture Exam 3 1 2 3 4 5 6...

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Microbiology Lecture Exam 3 March 19, 2008 1. Class I Major Histocompatibility molecules (MHC-1) _______________ a. Present antigen to CD8+ T cells b. Cause basophils and mast cells to degranulate c. Bind to IgE antibodies d. Present antigen to B cells e. Present antigen to CD4+ T cells 2. Production of IgE antibodies and degranulation of mast cells and basophils are involved in _____. a. Glomerulonephritis and serum sickness b. A transfusion reaction and erythroblstosis fetalis c. Contact dermatitis d. Anaphylaxis and atopy e. A positive skin test for Mycobacterium tuberculosis 3.An immigrant child is brought to a clinic suffering from severe common cold-like symptoms (runny nose and eyes, sore throat). During the physical exam, the physician observes Koplik spots on the child’s oral mucosa. The physician should suspect that the child has ____. a.Chickenpoxb.Oral thrushc.Rubellad.Rubeolae.Oral warts 4.A major virulence factor associated with Streptococcus pyogenes is ____. Which antigenenically is similar to cardiac tissue 5.Which of the following vaccines is a live attenuated whole agent vaccine? 6.An elderly diabetic woman with poor circulation steps on a piece of glass while walking barefoot through her yard, causing a deep wound in her foot. She cleans it with antiseptic butthe area around the wound becomes black and necrotic within a few days. When she is seen in the ER, the foot is black and swollen. When the skin of the foot is touched it feels like air bubbles under the skin and popping and cracking noises can be heard. Gram stain of the material from deep in the wound reveals gram-positive rods. This woman is most likely suffering from ___. 7.Someone with warts is infected with _____. a.Varicella Zoster Virusb.Trichophyton tonsuransc.Herpes simplex Virusd.Mycobacterium leprae
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e.Human Papilloma Virus 8.The IgM class of antibodies _____.
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  • Fall '15
  • Micro
  • Streptococcus pyogenes, Polio vaccine, Varicella zoster virus, Sabin polio vaccine

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