Physical and Chemical Agents Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as none of these autoclaving tyndallization inspissation none of these autoclaving tyndallization inspissation 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? 5 10 1 50 5 10 1 50 ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Isopropyl alcohol Both (a) and (b) none of these Ethyl alcohol Isopropyl alcohol Both (a) and (b) none of these Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Clostridium perfringens Bacillus cereus Clostridium histolyticum Bacillus stearothermophilus Clostridium perfringens Bacillus cereus Clostridium histolyticum Bacillus stearothermophilus ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant would be most effective against Staphylococcus found in a blood spill? Cetylpyridinium chloride Phenol Hexachlorophene None of these Cetylpyridinium chloride Phenol Hexachlorophene None of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Glutaraldehyde Ethylene oxide Ultraviolet radiation Chlorine Glutaraldehyde Ethylene oxide Ultraviolet radiation Chlorine ANSWER DOWNLOAD EXAMIANS APP
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