Toxin production MCQ 15+

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• Following are the characteristics of endotoxin
  ক

  Causes non-specific enhancement of immune response

  খ

  Causes leukocytosis

  গ

  Causes induction of growth factor production

  ঘ

  Highly antigenic in nature

  ঙ

  Decrease plasma cortisol
• Following bacteria produces exotoxin
  ক

  S. aureus

  খ

  Cl. botulinum

  গ

  N. meningitidis

  ঘ

  S viridans

  ঙ

  H. influenzae
• Endotoxin producing bacteria
  ক

  Salmonella typhi

  খ

  Fusobacterium spp

  গ

  Staphylococcus saprophyticus

  ঘ

  Bacillus anthracis

  ঙ

  Clostridium perfringens
• Endotoxin is
  ক

  Firmly bound to the cell surface (Celt to

  খ

  Released after death of the bacteria

  গ

  Composed of glycoprotein

  ঘ

  Heat labile

  ঙ

  Responsible for causing fever and hypoglycemia
• Characteristics of endotoxin are
  ক

  Lipopolysaccharide in nature

  খ

  Stable at 100°C for 1 hour

  গ

  Highly antigenic

  ঘ

  Used as vaccine in toxoid form

  ঙ

  Secreted from cell
• Super antigens are
  ক

  Staphylococcal enterotoxin

  খ

  Staphylococcal toxic shock syndrome toxin

  গ

  Streptococcal pyrogenic exotoxin

  ঘ

  Staphylococcal exfoliative toxin

  ঙ

  Botulinum toxin
• Bacteriophage mediated toxins are
  ক

  Cholera toxin

  খ

  Botulinum toxin

  গ

  Erythrogenic toxin

  ঘ

  Tetanospasmin

  ঙ

  Exfoliative toxin
• Toxins acts as super antigen are
  ক

  Erythrogenic toxins

  খ

  Toxic Shock Syndrome Toxin

  গ

  Staphylococcal enterotoxin

  ঘ

  Botulinum toxin

  ঙ

  Cholera toxin
• Bacterial components associated with induction of septic shock are
  ক

  Lipopolysaccharide

  খ

  Teichoic acid

  গ

  Bacterial capsular protein

  ঘ

  Peptidoglycan

  ঙ

  Phospholipid
• Toxin mediated diseases are
  ক

  Scarlet fever

  খ

  Staphylococcal food poisoning

  গ

  Diphtheria

  ঘ

  Plague

  ঙ

  Dengue
• Endotoxins are
  ক

  Lipopolysaccharide in nature

  খ

  Stable at 100°c for 1 hour

  গ

  Highly antigenic

  ঘ

  Used as vaccine in toxoid form

  ঙ

  Secreted from cell
• Superantigens are
  ক

  Toxic shock syndrome toxin

  খ

  Staphylococcal enterotoxin

  গ

  Erythrogenic toxin

  ঘ

  Cholera toxin

  ঙ

  Enterotoxigenic
• Lysogenic conversion is responsible for toxin production in
  ক

  Corynebacterium diphtheriae

  খ

  Streptococcus pyogenes causing scarlet fever

  গ

  Escherichia coli

  ঘ

  Salmonella Typhi

  ঙ

  Aeromonas species
• Exotoxin mediated disease(s) is/are
  ক

  Tetanus

  খ

  Scarlet fever

  গ

  Botulism

  ঘ

  Typhoid fever

  ঙ

  Rheumatic fever