Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? none of these Ethyl alcohol Isopropyl alcohol Both (a) and (b) none of these Ethyl alcohol Isopropyl alcohol Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The time in minutes at a specific temperature needed to kill a population of cells is the decimal reduction time F value thermal death point thermal death temperature decimal reduction time F value thermal death point thermal death temperature ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Media containing spores and thermolabile constituents are sterilized by pasteurization dry heat tyndalization UV radiation pasteurization dry heat tyndalization UV radiation 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 on a petri plate at room temperature Storage in a freezer at ultra low temperatures (-70°C) Storage in a refrigerator on an agar slant Storage in a freezer at -10°C Storage on a petri plate at room temperature Storage in a freezer at ultra low temperatures (-70°C) Storage in a refrigerator on an agar slant Storage in a freezer at -10°C ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant was the most effective against Salmonella"? Phenol Cetylpyridinium chloride Hexachlorophene Merthiolate Phenol Cetylpyridinium chloride Hexachlorophene Merthiolate ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches? Halogens Ethylene oxide Aldehydes None of these Halogens Ethylene oxide Aldehydes None of these ANSWER DOWNLOAD EXAMIANS APP
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