Physical and Chemical Agents The time required to kill 90% of the microorganisms in a sample at a specific temperature is the thermal death point D value F value decimal reduction time thermal death point D value F value decimal reduction time 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 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) Storage in a freezer at -10°C ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following does not kill endospores? Autoclave Incineration Hot air sterilization Pasteurization Autoclave Incineration Hot air sterilization Pasteurization ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? none of these Isopropyl alcohol Ethyl alcohol Both (a) and (b) none of these Isopropyl alcohol Ethyl alcohol Both (a) and (b) 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 The organisms retained in the fluids filtered by Seitz filter is Clostridium None of these Staphylococcus Proteus Clostridium None of these Staphylococcus Proteus ANSWER DOWNLOAD EXAMIANS APP
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