<prompt> Skin lesion in meningococcal meningitidis is due toExotoxinEndotoxinAllergic reactionDirect vascular Damage  <response>: The endotoxin lipopolysaccharide of Meningococci is released by autolysis.- vascular endothelium is paicularly sensitive to the endotoxin. All major inflammatory cascade systems, as well as cytokines and nitric oxide, are triggered and unregulated. Reference: Textbook of Microbiology; Anathanarayan and panickers; 10th edition; Page no: 232 