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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?
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What is the characteristic appearance of colonies on blood agar?
What is the characteristic appearance of colonies on blood agar?
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What is the ideal temperature for anaerobic culture of the bacterium?
What is the ideal temperature for anaerobic culture of the bacterium?
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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?
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What is the biochemical characteristic of CI.perfringens?
What is the biochemical characteristic of CI.perfringens?
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What is the result of CI.perfringens on litmus milk?
What is the result of CI.perfringens on litmus milk?
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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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