Physical and Chemical Agents Which of the following disinfectants act by disrupting microbial membranes? Heavy metals Cationic detergents Aldehydes Halogens Heavy metals Cationic detergents Aldehydes Halogens ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Iodophores are mixture of iodine and alcohols iodine and surface active agents iodine and aldehydes iodine and phenols iodine and alcohols iodine and surface active agents iodine and aldehydes iodine and phenols ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Bacillus stearothermophilus Clostridium perfringens Clostridium histolyticum Bacillus cereus Bacillus stearothermophilus Clostridium perfringens Clostridium histolyticum Bacillus cereus ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have toxic alkaline chemicals insufficient nutrients low pH high concentration of solutes toxic alkaline chemicals insufficient nutrients low pH high concentration of solutes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 0.75% 0.25% 1% 0.5% 0.75% 0.25% 1% 0.5% ANSWER DOWNLOAD EXAMIANS APP
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 bacterial spores failure to kill bacteria failure to kill microbes located in the center of an object failure to kill microbes in a closed environment failure to bacterial spores failure to kill bacteria failure to kill microbes located in the center of an object ANSWER DOWNLOAD EXAMIANS APP
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