Physical and Chemical Agents One drawback to the use of ultraviolet light as a sterilizing agent is its failure to bacterial spores failure to kill bacteria failure to kill microbes in a closed environment failure to kill microbes located in the center of an object failure to bacterial spores failure to kill bacteria failure to kill microbes in a closed environment failure to kill microbes located in the center of an object ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is bactericidal? Membrane filtration Deep freezing Ionizing radiation Freeze-drying Membrane filtration Deep freezing Ionizing radiation Freeze-drying ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant would be most effective against Staphylococcus found in a blood spill? None of these Cetylpyridinium chloride Hexachlorophene Phenol None of these Cetylpyridinium chloride Hexachlorophene Phenol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following disinfectants act by disrupting microbial membranes? Heavy metals Aldehydes Cationic detergents Halogens Heavy metals Aldehydes Cationic detergents Halogens ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The time required to kill 90% of the microorganisms in a sample at a specific temperature is the F value D value thermal death point decimal reduction time F value D value thermal death point decimal reduction time ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches? Aldehydes None of these Ethylene oxide Halogens Aldehydes None of these Ethylene oxide Halogens ANSWER DOWNLOAD EXAMIANS APP