Physical and Chemical Agents The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the decimal reduction time thermal death point thermal death temperature thermal death time decimal reduction time thermal death point thermal death temperature thermal death time ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour? All of these Swab sticks Oils and jellies All-glass syringes All of these Swab sticks Oils and jellies All-glass syringes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant was the most effective against Salmonella"? Merthiolate Phenol Cetylpyridinium chloride Hexachlorophene Merthiolate Phenol Cetylpyridinium chloride Hexachlorophene ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 0.5% 0.75% 1% 0.25% 0.5% 0.75% 1% 0.25% 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 5 10 50 1 5 10 ANSWER DOWNLOAD EXAMIANS APP