Physical and Chemical Agents Bactericidal concentration of phenol is 0.25% 0.75% 1% 0.5% 0.25% 0.75% 1% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Ultraviolet radiation Glutaraldehyde Chlorine Ethylene oxide Ultraviolet radiation Glutaraldehyde Chlorine Ethylene oxide ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Ethyl alcohol Both (a) and (b) Isopropyl alcohol none of these Ethyl alcohol Both (a) and (b) Isopropyl alcohol none of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents All of the following are sporicidal except ethylene oxide formaldehyde glutaraldehyde alcohol ethylene oxide formaldehyde glutaraldehyde alcohol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form ANSWER DOWNLOAD EXAMIANS APP
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