Physical and Chemical Agents Which disinfectant was the most effective against Salmonella"? Phenol Hexachlorophene Merthiolate Cetylpyridinium chloride Phenol Hexachlorophene Merthiolate Cetylpyridinium chloride ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by creating a hypertonic environment raising pH creating a hypotonic environment lowering osmotic pressure creating a hypertonic environment raising pH creating a hypotonic environment lowering osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Complete destruction of the microorganisms is commonly known as disinfection antisepsis none of these sterilization disinfection antisepsis none of these sterilization ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which is the most important surface active disinfectants? Cationic compounds Anionic compounds Amphoteric compounds Non-ionic compounds Cationic compounds Anionic compounds Amphoteric compounds Non-ionic compounds ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Clostridium perfringens Bacillus stearothermophilus Bacillus cereus Clostridium histolyticum Clostridium perfringens Bacillus stearothermophilus Bacillus cereus Clostridium histolyticum ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following methods will not sterilize? 121°C at 15 lb/in pressure for 15 to 20 minutes 100°C boiling water for 30 minutes Dry heat at 171°C for 1 to 2 hours Aqueous glutaraldehyde for 10 hours 121°C at 15 lb/in pressure for 15 to 20 minutes 100°C boiling water for 30 minutes Dry heat at 171°C for 1 to 2 hours Aqueous glutaraldehyde for 10 hours ANSWER DOWNLOAD EXAMIANS APP
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