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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have insufficient nutrients low pH high concentration of solutes toxic alkaline chemicals insufficient nutrients low pH high concentration of solutes toxic alkaline chemicals ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Ultraviolet radiation Chlorine Glutaraldehyde Ethylene oxide Ultraviolet radiation Chlorine Glutaraldehyde Ethylene oxide ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The time required to kill 90% of the microorganisms in a sample at a specific temperature is the decimal reduction time thermal death point F value D value decimal reduction time thermal death point F value D value ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant would be most effective against Staphylococcus found in a blood spill? None of these Phenol Cetylpyridinium chloride Hexachlorophene None of these Phenol Cetylpyridinium chloride Hexachlorophene ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by use of red heat? Inoculating wires and loops Soiled dressings All-glass syringes Glass slides Inoculating wires and loops Soiled dressings All-glass syringes Glass slides ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS