Micro Qs - saton

[ArchivalUser]

A fireman is injured in the collapse of a building as he is searching for trapped residents. He suffers second-degree burns on his face and hands, and during hospitalization, the burns become infected with a slime-producing gram-negative bacillus. He develops septicemia and rapidly shows signs of petechial hemorrhages and disseminated intravascular coagulopathy. Which of the following is a characteristic of the toxin causing these findings?

A. It is a protein
B. It is cytolytic
C. It is heat stable
D. It is secreted
E. It has two components

[ArchivalUser]

C. heat stable? Gram negative endotoxin is heat stable?

[ArchivalUser]

Agree.Endotoxin of pseudo.
Ans.C

[ArchivalUser]

I read it somewhere that since the G- bacteria contain heat stable endotoxin, so IV fluid can't be sterilized by autoclave, otherwise the endotoxin will be released from dead bacteria. Instead, we should filter sterilize the IV fluid.