Physical and Chemical Agents Which of the following methods will not sterilize? Aqueous glutaraldehyde for 10 hours Dry heat at 171°C for 1 to 2 hours 121°C at 15 lb/in pressure for 15 to 20 minutes 100°C boiling water for 30 minutes Aqueous glutaraldehyde for 10 hours Dry heat at 171°C for 1 to 2 hours 121°C at 15 lb/in pressure for 15 to 20 minutes 100°C boiling water for 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following does not kill endospores? Incineration Pasteurization Hot air sterilization Autoclave Incineration Pasteurization Hot air sterilization Autoclave 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 was the first widely used antiseptic and disinfectant? Chlorine Phenol Alcohol Iodine Chlorine Phenol Alcohol Iodine ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following process can be efficiently carried out by incineration? Sterilization of all glass syringes Sterilization of points of forceps Sterilization of scalpel blades and needles Destruction of contaminated materials Sterilization of all glass syringes Sterilization of points of forceps Sterilization of scalpel blades and needles Destruction of contaminated materials ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food? Obligate Aerobe Acidophile Obligate Anaerobe Mesophile Obligate Aerobe Acidophile Obligate Anaerobe Mesophile ANSWER DOWNLOAD EXAMIANS APP
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