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What properties of the Snyder deep media allow us to detect susceptibility to dental caries?
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- Explain the significance of the Snyder agar medium and its differential nature as a means to detect dental caries.Why can EMB agar be used to detect the presence of E. coli in particular? Explain the principle of detection of the organism using EMB agarHow would you interpret the following result of the Bile Esculin Test: "Growth of the bacteria is present however no darkening of the agar can be observed after 48 hours." Please explain.
- Is UVC disinfection of N95 face masks effective? Give two (2) important considerations for UVC disinfection of N95 face masks to be effective?Why is glucose not the choice of carbohydrate for most differential media used in the identification of gram (-) enteric bacilli?Identify culture methods and conditions used for blood, wound,urine, fecal, and genital specimens. Of what importance areselective and differential growth media in pathogen detection,and what special conditions must be maintained for theisolation of anaerobic pathogens?
- E1. A. Explain how the Snyder agar medium is both a selective and a differential medium. B. How is the differential nature of the medium used to detect susceptibility to dental caries?Why are specimens for bilirubin testing protected from light? Discuss handling procedures for bilirubin samples.If an esculinase-postive and an esculinase-negative bacteria species can both grow on the Bile Esculin Agar media, how are the two bacteria species distinguished?
- Is the Triple-Sugar Iron Agar (TSIA) a complex or defined medium? Explain based on its composition. Is the test tube a A) broth, B) slant, or C) deep agar medium? Why is a “needle” used to inoculate?Not only is blood agar an enriched medium that can support fastidious organism growth, but it can also serve as a differential medium in the identification of streptococcal species because of the presence of red blood cells that can be destroyed by an organism's hemolysins. Looking at this photo, how could you describe the organism growing on the surface of this blood agar plate? Multiple Choice a) Gamma-hemolytic b) Alpha-hemolytic c) Non-hemolytic d) Beta-hemolyticKligler’s iron agar and SIM are multiple test media.. What component of both media allows you to detect the preceding characteristic?