Physical and Chemical Agents Which disinfectant was the most effective against Salmonella"? Merthiolate Cetylpyridinium chloride Hexachlorophene Phenol Merthiolate Cetylpyridinium chloride Hexachlorophene Phenol ANSWER DOWNLOAD EXAMIANS APP
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 microbes in a closed environment failure to kill microbes located in the center of an object failure to kill bacteria failure to bacterial spores failure to kill microbes in a closed environment failure to kill microbes located in the center of an object failure to kill bacteria ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is best used for long term storage of microbial samples when carried out properly? Storage in a freezer at -10°C Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature Storage in a freezer at -10°C Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10 minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in the same time, what is the phenol coefficient of the test compound? 1 5 50 10 1 5 50 10 ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following articles can be sterilized in an autoclave? All of these Dressing material Culture media Gloves All of these Dressing material Culture media Gloves ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following process can be efficiently carried out by incineration? Sterilization of all glass syringes Destruction of contaminated materials Sterilization of points of forceps Sterilization of scalpel blades and needles Sterilization of all glass syringes Destruction of contaminated materials Sterilization of points of forceps Sterilization of scalpel blades and needles ANSWER DOWNLOAD EXAMIANS APP
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