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Questions and Answers
What is the ideal location for collecting specimens of exudates from a wound?
What is the ideal location for collecting specimens of exudates from a wound?
- From the surrounding healthy tissue
- From the deeper areas of the wound where the infection seems to be most pronounced (correct)
- From the drainage site of the wound
- From the surface of the wound
What is the characteristic shape of the spore of the bacterium?
What is the characteristic shape of the spore of the bacterium?
- Spherical and terminal
- Round and bulging
- Oval and sub-terminal (correct)
- Irregular and non-terminal
What is the primary purpose of Nagler's reaction?
What is the primary purpose of Nagler's reaction?
- To detect the presence of H2S and NH3
- To detect the lecithinase activity (correct)
- To determine the anaerobic growth of the bacterium
- To identify Gram-positive bacilli
What is the effect of CI.perfringens antiserum on Nagler's reaction?
What is the effect of CI.perfringens antiserum on Nagler's reaction?
What is the characteristic appearance of colonies on blood agar?
What is the characteristic appearance of colonies on blood agar?
What is the ideal temperature for anaerobic culture of the bacterium?
What is the ideal temperature for anaerobic culture of the bacterium?
What is the characteristic of the bacterium's growth on Robertson's cooked meat medium?
What is the characteristic of the bacterium's growth on Robertson's cooked meat medium?
What is the biochemical characteristic of CI.perfringens?
What is the biochemical characteristic of CI.perfringens?
What is the result of CI.perfringens on litmus milk?
What is the result of CI.perfringens on litmus milk?
What is the enzymatic activity of a-toxin (lecithinase) in CI.perfringens?
What is the enzymatic activity of a-toxin (lecithinase) in CI.perfringens?
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