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The disease diphtheria affects

  • A.Lungs
  • B.Intestine
  • C.Throat
  • D.Body joints

Answer: C

Diphtheria affects the throat. The bacterium Corynebacterium diphtheriae multiplies in the upper respiratory tract and forms a thick grey membrane over the tonsils and pharynx that can obstruct breathing.

Its toxin also damages the heart and nerves. The disease is prevented by the DPT vaccine.

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