Select the statements that correctly describe endotoxins.

Symptoms caused by endotoxins may actually worsen after treatment of an infection caused by gram-negative bacteria.

Endotoxins can cause fever, chills, weakness, and fatigue.

Endotoxins can be used to vaccinate individuals.

Endotoxins may cause a life-threatening drop in blood pressure known as endotoxic shock.

Endotoxins cause a strong immune response and abundant antibody production in the host.