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5 Written questions

5 Matching questions

  1. epidemic
  2. toxoid
  3. pathogenicity islands
  4. antitoxins
  5. endotoxins
  1. a an antibody produced by the body that circulates in the bloodstream to provide protection against toxins by neutralizing them
  2. b referring to a disease that spreads more quickly and more extensively within a population than normally expected
  3. c a metabolic poison, produced chiefly by gram-negative bacteria, that are part of the bacterial cell wall and consequently are released on cell disintegration; composed of lipid-polysaccharide-peptide complexes
  4. d a set of adjacent genes that encode virulence factors
  5. e a preparation of a microbial toxin that has been rendered harmless by chemical treatment but that is capable of stimulating antibodies; used as vaccines

5 Multiple choice questions

  1. the degree to which a pathogen is capable of causing disease
  2. a disease restricted to a single area of the body
  3. an animal disease that may be transmitted to humans
  4. the destruction of red blood cells
  5. the scientific study of the source, cause, and transmission of disease within a population

5 True/False questions

  1. systemic diseasesa disease that develops slowly, tends to linger for a long time, and requires a long convalescence


  2. viremiathe presence and spread of viruses through the blood


  3. period of declinethe phase of a disease during which symptoms subside


  4. contagiousa poisonous chemical substance produced by an organism


  5. acute periodthe phase of a disease during which specific symptoms and the disease is at its height