Which of the following is an important constituent of gram-negative microorganisms that contributes to initiation of the host inflammatory response?: (A) Exotoxin, (B) Lipoteichoic acid, (C) Endotoxin, (D) Peptidoglycan
Answer is C. Endotoxin or lipopolysaccharide is an important constituent of the gram-negative outer membrane that contributes to initiation of the host inflammatory response.