MCQ Questions
Q.1.
Cytopathic effects, such as inclusion bodies and syncytium formation, are the visible signs of viral infections.
  • 0%
    True
  • 0%
    False
Q.2.
Most symptoms of endotoxins can be treated with administration of anti-endotoxin antibodies.
  • 0%
    True
  • 0%
    False
Q.3.
In A-B exotoxins, the A component binds to the host cell receptor so that the B component can enter the cell.
  • 0%
    True
  • 0%
    False
Q.4.
In general, the LD50 for exotoxins is much greater than the LD50 for endotoxins.
  • 0%
    True
  • 0%
    False
Q.5.
Infections with some viruses may induce chromosomal changes that alter the growth properties of host cells.
  • 0%
    True
  • 0%
    False
Q.6.
Biofilms provide pathogens with an adhesion mechanism and aid in resistance to antimicrobial agents.
  • 0%
    True
  • 0%
    False
Q.7.
The M protein enhances the virulence of Streptococcus by preventing phagocytosis.
  • 0%
    True
  • 0%
    False
Q.8.
Ergot and aflatoxin are toxins sometimes found in grains contaminated with fungi.
  • 0%
    True
  • 0%
    False