Physical and Chemical Agents Which is the most important surface active disinfectants? Amphoteric compounds Cationic compounds Anionic compounds Non-ionic compounds Amphoteric compounds Cationic compounds Anionic compounds Non-ionic compounds ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The organisms retained in the fluids filtered by Seitz filter is Proteus Clostridium None of these Staphylococcus Proteus Clostridium None of these Staphylococcus ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour? Swab sticks Oils and jellies All of these All-glass syringes Swab sticks Oils and jellies All of these All-glass syringes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 0.5% 0.75% 0.25% 1% 0.5% 0.75% 0.25% 1% ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following methods will not sterilize? 100°C boiling water for 30 minutes 121°C at 15 lb/in pressure for 15 to 20 minutes Dry heat at 171°C for 1 to 2 hours Aqueous glutaraldehyde for 10 hours 100°C boiling water for 30 minutes 121°C at 15 lb/in pressure for 15 to 20 minutes Dry heat at 171°C for 1 to 2 hours Aqueous glutaraldehyde for 10 hours 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 refrigerator on an agar slant Storage in a freezer at -10°C Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature Storage in a refrigerator on an agar slant Storage in a freezer at -10°C Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature ANSWER DOWNLOAD EXAMIANS APP
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