Physical and Chemical Agents Ethylene oxide is used to destroy or kill which of the following microbes? Spores Fungi All of these Bacteria Spores Fungi All of these Bacteria 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? 1 5 50 10 1 5 50 10 ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant was the most effective against Salmonella"? Hexachlorophene Cetylpyridinium chloride Merthiolate Phenol Hexachlorophene Cetylpyridinium chloride Merthiolate Phenol 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 Dry heat at 171°C for 1 to 2 hours 100°C boiling water for 30 minutes Aqueous glutaraldehyde for 10 hours 121°C at 15 lb/in pressure for 15 to 20 minutes Dry heat at 171°C for 1 to 2 hours 100°C boiling water for 30 minutes Aqueous glutaraldehyde for 10 hours ANSWER DOWNLOAD EXAMIANS APP
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 decimal reduction time F value D value thermal death point decimal reduction time F value D value ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following process can be efficiently carried out by incineration? Sterilization of points of forceps Destruction of contaminated materials Sterilization of scalpel blades and needles Sterilization of all glass syringes Sterilization of points of forceps Destruction of contaminated materials Sterilization of scalpel blades and needles Sterilization of all glass syringes ANSWER DOWNLOAD EXAMIANS APP
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