Physical and Chemical Agents Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches? Ethylene oxide None of these Aldehydes Halogens Ethylene oxide None of these Aldehydes Halogens ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is bactericidal? Freeze-drying Deep freezing Ionizing radiation Membrane filtration Freeze-drying Deep freezing Ionizing radiation Membrane filtration ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following methods will not sterilize? Dry heat at 171°C for 1 to 2 hours 100°C boiling water for 30 minutes Aqueous glutaraldehyde for 10 hours 121°C at 15 lb/in pressure for 15 to 20 minutes Dry heat at 171°C for 1 to 2 hours 100°C boiling water for 30 minutes Aqueous glutaraldehyde for 10 hours 121°C at 15 lb/in pressure for 15 to 20 minutes 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 Microbes can be removed from a liquid solution by the process of desiccation freeze-drying osmosis filtration desiccation freeze-drying osmosis filtration ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 0.25% 1% 0.75% 0.5% 0.25% 1% 0.75% 0.5% ANSWER DOWNLOAD EXAMIANS APP
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