6. A bacterial toxin was found to cause septic shock, and upon structural elucidation was found to be a lipid-sugarmolecule.a. Septic shock is ai. Signii. Symptomiii. Neitherb. This toxin is an:C.d.e.i. Exotoxinii. EndotoxinThis toxin is ani. AB Toxinii. Membrane-damaging toxiniii. Superantigeniv. NoneTrue or False: A toxoid vaccine cannot be produce for this toxinThis toxin is ani. Neurotoxinii. Enterotoxiniii. Cytotoxinf. This toxin is ani. Heat-labileii. Heat-stableiii. Neitherg. This toxin is produced ini. Gram-negative onlyii. Gram-positive only111. Either Gram-positive or gram-negative7. Superantigens (circle one)A. Are exceptionally large antigen moleculesB. Cause a very large antibody responseC. Elicit a response from a large number of T cellsD. Attach non-specifically to B cell receptorsE. Assist in a protective immune response

Septic shock occurs when infectious microorganisms in blood induce a inflammatory response. *complex response of cellular activation triggers release of proinflammatory mediators. This response causes activation of leukocytes and endothelial cells and coagulation system. *The inflammatory response that characterizes septic shock is due to cytokines tumor necrosis factor alpha (TNF-α) and interleukin-1 (IL-1).aAns) septic shock is a disease so it is neither. bAns) Septic shock is caused by endotoxins of Gram negative bacterial infection. Hence option ii is correct. cAns)toxic shock syndrome toxin-1 Streptococcal pyrogenic exotoxins (SPE) and Staphylococcal enterotoxins (SE), and enterotoxogenic E. coli enterotoxin are superantigens. Hence option iii is correct. dans) A toxoid vaccine can be produced for this vaccine . Hence the statement is false. eans)These antigens are exotoxins produced by bacteria like enterotoxin and toxic shock syndrome toxin released by Staphylococcus aureus. Hence it is enterotoxin. Option ii is correct. Fans) Endotoxins are the Lipopolysaccharide protein complexes which is released at cell death of bacteria. It is heat stable. Hence option ii is correct. Gans) Gram negative bacteria cause septic shock by releasing the cell wall components called endotoxins. Hence option i is correct.