Final answer:
The first sign of an infection involving the release of endotoxin is typically a fever, triggered by the body's immune response to the lipid A component of the endotoxin.
Step-by-step explanation:
The first sign of an infection that resulted in the release of endotoxin would be fever. This symptom is a direct consequence of the immune response triggered by lipid A, the toxic component of endotoxin, found in the membrane of gram-negative bacteria. When bacteria such as those causing food poisoning or infection from a dog bite release