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 Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction 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 in a closed environment failure to bacterial spores failure to kill microbes located in the center of an object failure to kill bacteria failure to kill microbes in a closed environment failure to bacterial spores failure to kill microbes located in the center of an object 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 Oils and jellies Swab sticks All-glass syringes All of these Oils and jellies Swab sticks All-glass syringes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant would be most effective against Staphylococcus found in a blood spill? None of these Hexachlorophene Cetylpyridinium chloride Phenol None of these Hexachlorophene Cetylpyridinium chloride Phenol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is a limitation of the autoclave? It takes too long to sterilize It will destroy heat labile materials It lacks the ability to kill endospores It lacks the ability to inactivate viruses It takes too long to sterilize It will destroy heat labile materials It lacks the ability to kill endospores It lacks the ability to inactivate viruses ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The time in minutes at a specific temperature needed to kill a population of cells is the thermal death temperature thermal death point F value decimal reduction time thermal death temperature thermal death point F value decimal reduction time ANSWER DOWNLOAD EXAMIANS APP
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