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Silver preparations are still used clinically chiefly for

  • A.fumigating operating theatres
  • B.preserving vaccine solutions
  • C.treating and dressing burns
  • D.sterilizing surgical instruments

Answer: C

Silver's activity at very low concentration, its oligodynamic action, suits it to prolonged contact with a large raw surface where infection risk is high. It is applied as a cream or impregnated into a dressing rather than used as a general disinfectant.

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