Physical and Chemical Agents Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour? Oils and jellies All-glass syringes Swab sticks All of these Oils and jellies All-glass syringes Swab sticks All of these 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 on a petri plate at room temperature Storage in a freezer at ultra low temperatures (-70°C) Storage in a freezer at -10°C Storage in a refrigerator on an agar slant Storage on a petri plate at room temperature Storage in a freezer at ultra low temperatures (-70°C) ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is best to sterilize heat labile solutions? Pasteurization Membrane filtration Autoclave Dry heat Pasteurization Membrane filtration Autoclave Dry heat 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 One drawback to the use of ultraviolet light as a sterilizing agent is its 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 failure to bacterial spores 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 Ethylene oxide is used to destroy or kill which of the following microbes? All of these Bacteria Spores Fungi All of these Bacteria Spores Fungi ANSWER DOWNLOAD EXAMIANS APP
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