MICROBIOLOGY PRACTICE QUESTIONS Morphology of Bacteria-Module N1.p

Immunofluorescence reaction is widely used for express-diagnostics of many bacterial and viral infections. Choose the type of the microscope needed for this reaction. A.Light microscope. D.Phase-contrast microscope. B. Electron microscope. C. Fluorescence microscope. E. Dark-field microscope. 10. The essential drawback of the microscopy method of infection diagnostics is insufficient informativeness caused by morphologic similarity of many mi•croorganisms. Which of the following can increase the informativeness? A. Radioimmunoassay. B. Coombs' test. C. ELISA. D.Opsonization reaction. E. Immunofluorescence testing. *Immunofluorescence test belongs to widely used rapid (express) methods of infectious diseases diagnostics. Which properties of bacteria are estimated for their identification at this type of testing? Morphological and tinctorial Morphological and antigenic Antigenic and immunogenic Cultural and biochemical *During microbiology lesson students have acquainted with microscopy method of laboratory diagnostics. Which property of bacteria may be studied with this method? Morphological, tinctorial Cultural Antigenic Toxigenic Biochemical 20. Furuncle pus smear showed spherical microbes arranged in grape-like clusters. Name these microorganisms. A. Staphilococci. B. Diplococci. C. Micrococci. D.Streptococci. E. Tetracocci.