Physical and Chemical Agents Which of the following substances can sterilize? Ethylene oxide Cetylpyridinium chloride Alcohol Chlorine Ethylene oxide Cetylpyridinium chloride Alcohol Chlorine ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 0.5% 0.25% 1% 0.75% 0.5% 0.25% 1% 0.75% ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Media containing spores and thermolabile constituents are sterilized by tyndalization UV radiation pasteurization dry heat tyndalization UV radiation pasteurization dry heat ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? None of these Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction None of these Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Ethylene oxide is used to destroy or kill which of the following microbes? Spores Fungi All of these Bacteria Spores Fungi All of these Bacteria ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following disinfectants act by disrupting microbial membranes? Halogens Cationic detergents Aldehydes Heavy metals Halogens Cationic detergents Aldehydes Heavy metals ANSWER DOWNLOAD EXAMIANS APP