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5 Written questions

5 Matching questions

  1. hemolysis
  2. mechanical vectors
  3. prodromal phase
  4. phagocytosis
  5. carrier
  1. a the destruction of red blood cells
  2. b an individual who has recovered from a disease but retains the infectious agents in the body and continues to shed them
  3. c the phase of a disease during which general symptoms occur in the body
  4. d a living organism, or an object, that transmits disease agents on its surface
  5. e a process by which foreign material or cells are taken into a white blood cell and destroyed

5 Multiple choice questions

  1. a disorder caused by a microorganism that does not cause disease but that can become pathogenic or life-threatening if the host has a low level of immunity
  2. the spread of disease from mother to fetus or newborn
  3. the phase of a disease during which specific symptoms and the disease is at its height
  4. an antibody produced by the body that circulates in the bloodstream to provide protection against toxins by neutralizing them
  5. a close and permanent association between two populations of organisms in which both benefit from the association

5 True/False questions

  1. aerosols1. an arthropod that transmits the agents of disease from an infected host to a susceptible host
    2. a plasmid used in genetic engineering to carry a DNA segment into a bacterium or other cell


  2. streptokinasea 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


  3. respiratory dropletsthe number of microorganisms needed to bring about infection


  4. droplet transmissionthe movement of particles suspended in the air


  5. indirect contactthe form of disease transmission involving close association between hosts