The efficiency of all disinfectants and antiseptics is influenced by a variety of factors including concentration, length of exposure, type of microorganisms to be destroyed, and environmental conditions. Group of answer choices True False

Why do microorganisms differ in their response to disinfectants and antiseptics?

A quantitative comparison of the effectiveness of a chemical disinfectant to that of phenol is the .

Which term best defines the word disinfection? An agent that destroys microorganisms – generally chemical agents The complete elimination of all microorganisms including spores Prevention of sepsis by destruction of inhibition of microorganisms using an agent that may be safety applied to living space The process by which pathogenic microorganisms are destroyed

In research facilities, only one disinfectant should be used in consideration of the risks. O X

A scientist investigated the effect of different disinfectants on the growth of the bacterium, Bacillus subtilis.A disinfectant used to clean hospital floors left a zone of inhibition with a diameter of 24 mm.Calculate the cross-sectional area in mm._____ mm2Use the maths keyboard to write your answer in standard form and to three significant figures.