Physical and Chemical Agents Which of the following is bactericidal? Membrane filtration Freeze-drying Deep freezing Ionizing radiation Membrane filtration Freeze-drying Deep freezing Ionizing radiation ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Isopropyl alcohol Ethyl alcohol Both (a) and (b) none of these Isopropyl alcohol Ethyl alcohol Both (a) and (b) none of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10 minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in the same time, what is the phenol coefficient of the test compound? 50 1 10 5 50 1 10 5 ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by use of red heat? All-glass syringes Glass slides Inoculating wires and loops Soiled dressings All-glass syringes Glass slides Inoculating wires and loops Soiled dressings ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Bacillus stearothermophilus Bacillus cereus Clostridium perfringens Clostridium histolyticum Bacillus stearothermophilus Bacillus cereus Clostridium perfringens Clostridium histolyticum ANSWER DOWNLOAD EXAMIANS APP
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
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