Influenza and Parainfluenza Viruses MCQ

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• The human parainfluenza viruses are communicable.
  ক

  True

  খ

  False
• The F proteins are synthesized as active precursors.
  ক

  True

  খ

  False
• Which of the following protein initiates the process of infection?
  ক

  HN

  খ

  M

  গ

  F

  ঘ

  S
• Which of the following protein mediates the fusion of virion and host-cell surface membranes?
  ক

  M

  খ

  S

  গ

  F

  ঘ

  HN
• Which of the following influenza virus contain seven RNA segments?
  ক

  Influenza A

  খ

  Influenza B

  গ

  Influenza C

  ঘ

  Influenza D
• Influenza B viruses infects only _______________
  ক

  avian species

  খ

  humans

  গ

  horses

  ঘ

  swine
• From which of the following the first influenza virus isolated?
  ক

  Human

  খ

  Cat

  গ

  Pig

  ঘ

  Dog
• Influenza viruses of human are spread by _______________
  ক

  saliva

  খ

  sneezing

  গ

  fecal water

  ঘ

  sexual transmission
• The variation of which of the following causes influenza despite vaccines available?
  ক

  Hemagglutinin

  খ

  Hyaluronidase

  গ

  Pepsin

  ঘ

  Elastase
• Influenza virus belongs to the family _____________
  ক

  Papoviridae

  খ

  Orthomyxoviridae

  গ

  Parvoviridae

  ঘ

  Retroviridae