Physical and Chemical Agents One drawback to the use of ultraviolet light as a sterilizing agent is its failure to kill microbes in a closed environment failure to kill bacteria failure to bacterial spores failure to kill microbes located in the center of an object failure to kill microbes in a closed environment failure to kill bacteria failure to bacterial spores failure to kill microbes located in the center of an object ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant was the most effective against Salmonella"? Cetylpyridinium chloride Merthiolate Hexachlorophene Phenol Cetylpyridinium chloride Merthiolate Hexachlorophene Phenol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Clostridium perfringens Bacillus stearothermophilus Clostridium histolyticum Bacillus cereus Clostridium perfringens Bacillus stearothermophilus Clostridium histolyticum Bacillus cereus ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Chlorine Ethylene oxide Ultraviolet radiation Glutaraldehyde Chlorine Ethylene oxide Ultraviolet radiation Glutaraldehyde 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 Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Both (a) and (b) Isopropyl alcohol Ethyl alcohol none of these Both (a) and (b) Isopropyl alcohol Ethyl alcohol none of these ANSWER DOWNLOAD EXAMIANS APP