Microbiology – MCQ 71 – Gas gangrene

Regarding gas gangrene one of the following is correct:
A. It is due to Clostridium Botulinum infection
B. Clostridial species are gram—negative spore forming anaerobes
C. The clinical featues are due to the release of protein endotoxin
D. Gas is invariably present in the muscle compartments

Correct answer : D. Gas is invariably present in the muscle compartments

Clostridia species are the most important agents responsible for gas gangrene. But Clostridium botilinum does not cause gangrene. Clostridia are gram positive spore forming anaerobes. Clinical features are due to release of exotoxin.