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 -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) ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is a limitation of the autoclave? It will destroy heat labile materials It lacks the ability to inactivate viruses It lacks the ability to kill endospores It takes too long to sterilize It will destroy heat labile materials It lacks the ability to inactivate viruses It lacks the ability to kill endospores It takes too long to sterilize ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the thermal death temperature decimal reduction time thermal death point thermal death time thermal death temperature decimal reduction time thermal death point thermal death time ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is/are vapour-phase disinfectant/s? Ethylene oxide Formaldehyde Both (a) and (b) None of these Ethylene oxide Formaldehyde Both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following items could be sterilized by dry heat sterilization? Plastic IV bags Glass pipettes rubber gloves Intravenous (IV) solution Plastic IV bags Glass pipettes rubber gloves Intravenous (IV) solution 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 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 failure to kill microbes in a closed environment ANSWER DOWNLOAD EXAMIANS APP
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