Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have toxic alkaline chemicals low pH insufficient nutrients high concentration of solutes toxic alkaline chemicals low pH insufficient nutrients high concentration of solutes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Ultraviolet radiation Ethylene oxide Glutaraldehyde Chlorine Ultraviolet radiation Ethylene oxide Glutaraldehyde Chlorine ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following was the first widely used antiseptic and disinfectant? Chlorine Phenol Iodine Alcohol Chlorine Phenol Iodine Alcohol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Isopropyl alcohol Ethyl alcohol none of these Both (a) and (b) Isopropyl alcohol Ethyl alcohol none of these Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is best to sterilize heat labile solutions? Membrane filtration Autoclave Pasteurization Dry heat Membrane filtration Autoclave Pasteurization Dry heat ANSWER DOWNLOAD EXAMIANS APP
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