Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Isopropyl alcohol none of these Ethyl alcohol Both (a) and (b) Isopropyl alcohol none of these Ethyl alcohol Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following substances can sterilize? Chlorine Ethylene oxide Alcohol Cetylpyridinium chloride Chlorine Ethylene oxide Alcohol Cetylpyridinium chloride 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 high concentration of solutes toxic alkaline chemicals low pH insufficient nutrients high concentration of solutes toxic alkaline chemicals low pH ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is not a disinfectant containing a heavy metal? Chlorine Mercurochrome Silver nitrate Copper sulfate Chlorine Mercurochrome Silver nitrate Copper sulfate 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? 10 1 50 5 10 1 50 5 ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is best to sterilize heat labile solutions? Dry heat Pasteurization Membrane filtration Autoclave Dry heat Pasteurization Membrane filtration Autoclave ANSWER DOWNLOAD EXAMIANS APP