Question

Identify the correct definition of a disinfectant.

• A. Chemicals that kill or prevent infection and damage living tissues.
• B. Chemicals that kill or prevent infection without damaging living tissues.
• C. Chemicals that can only kill or prevent infection on non-living objects.
• D. Chemicals that can only kill or prevent infection on animals.

Answer 1

Answer: (C)

Chemicals that can only kill or prevent infection on non-living objects.

Disinfectants are chemical antimicrobial agents used to kill microbes from inanimate objects and surfaces or non-living objects e.g., phenol, cresol etc.