Exam 22: Anaerobes of Clinical Importance

All of the following are non-spore-forming,anaerobic,gram-positive bacilli EXCEPT:

Aerotolerant anaerobes include all the following EXCEPT:

What disease does Clostridium perfringens cause?

How are suspected colonies of anaerobes processed?

What organism mostly commonly causes gas gangrene?

Gram stains of specimens for anaerobic cultures should be examined for all the following reasons EXCEPT:

All of the following techniques are used for making definitive identification of anaerobes EXCEPT:

What disk is used to presumptively identify Peptostreptococcus anaerobius?

All of the following are approaches to treating anaerobic infections EXCEPT:

Which of the following is considered a better specimen for anaerobic culture than a swab?

A microbiology technologist is reading an anaerobic culture and observes a double zone of hemolysis on an anaerobically incubated sheep blood agar plate.The Gram stain of that organism was a boxcar-shaped,gram-positive bacillus.What organism is this?

How long are anaerobic cultures routinely held in the laboratory?

An immunosuppressed patient notices sinus tracts that are draining pus.He also notices that there appear to be small,hard "nuggets" in the pus.What disease will his doctor most likely diagnose?

What substances do organisms that use oxygen have to protect themselves from superoxide anions?