Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction None of these Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction None of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents For sterilization of which material gamma rays can be used? Canulas Plastic syringes None of these Catheters Canulas Plastic syringes None of these Catheters ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following items could be sterilized by dry heat sterilization? rubber gloves Intravenous (IV) solution Plastic IV bags Glass pipettes rubber gloves Intravenous (IV) solution Plastic IV bags Glass pipettes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following was the first widely used antiseptic and disinfectant? Phenol Iodine Chlorine Alcohol Phenol Iodine Chlorine Alcohol 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-glass syringes All of these Oils and jellies Swab sticks All-glass syringes All of these Oils and jellies Swab sticks 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 5 1 10 50 5 1 10 ANSWER DOWNLOAD EXAMIANS APP
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