Disinfection of the rooms can be done by using_______________?

Correct answer: C. 40% formaldehyde vapour

  • A. 20% phenol
  • B. High efficiency particle arrestors
  • C. 40% formaldehyde vapour
  • D. Chlorine gas

Explanation

Rooms can be disinfected by formaldehyde vapour, commonly generated from concentrated formaldehyde solution. HEPA filters remove airborne particles but do not chemically disinfect room surfaces, and chlorine gas is not the standard method.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated
Report an error

The more specific you are, the faster it gets fixed. A source beats an opinion.

Prefer email? support@testustad.com

Practise Infection Control and Sterilisation

38 free Infection Control and Sterilisation MCQs from Microbiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Microbiology questions like this

Microbiology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

More Infection Control and Sterilisation questions