Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Substantially decreases enzymatic activity, slowing microbial reproduction 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 None of these 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 Which of the following is/are vapour-phase disinfectant/s? Formaldehyde Both (a) and (b) None of these Ethylene oxide Formaldehyde Both (a) and (b) None of these Ethylene oxide ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is best to sterilize heat labile solutions? Membrane filtration Dry heat Autoclave Pasteurization Membrane filtration Dry heat Autoclave Pasteurization ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents One drawback to the use of ultraviolet light as a sterilizing agent is its failure to kill bacteria failure to kill microbes located in the center of an object failure to kill microbes in a closed environment failure to bacterial spores failure to kill bacteria failure to kill microbes located in the center of an object failure to kill microbes in a closed environment failure to bacterial spores ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as inspissation autoclaving none of these tyndallization inspissation autoclaving none of these tyndallization ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents For sterilization of which material gamma rays can be used? Catheters Canulas Plastic syringes None of these Catheters Canulas Plastic syringes None of these ANSWER DOWNLOAD EXAMIANS APP
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