Physical and Chemical Agents Which of the following was the first widely used antiseptic and disinfectant? Phenol Chlorine Iodine Alcohol Phenol Chlorine Iodine Alcohol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant would be most effective against Staphylococcus found in a blood spill? Phenol Hexachlorophene None of these Cetylpyridinium chloride Phenol Hexachlorophene None of these Cetylpyridinium chloride ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is best used for long term storage of microbial samples when carried out properly? Storage in a freezer at -10°C Storage in a freezer at ultra low temperatures (-70°C) Storage in a refrigerator on an agar slant Storage on a petri plate at room temperature Storage in a freezer at -10°C Storage in a freezer at ultra low temperatures (-70°C) Storage in a refrigerator on an agar slant Storage on a petri plate at room temperature 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 microbes located in the center of an object failure to kill microbes in a closed environment failure to kill bacteria failure to bacterial spores failure to kill microbes located in the center of an object failure to kill microbes in a closed environment failure to kill bacteria failure to bacterial spores ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is sterilized with the help of glutaraldehyde? Thermometers All of these Cystoscopes Bronchoscopes Thermometers All of these Cystoscopes Bronchoscopes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by creating a hypertonic environment creating a hypotonic environment lowering osmotic pressure raising pH creating a hypertonic environment creating a hypotonic environment lowering osmotic pressure raising pH ANSWER DOWNLOAD EXAMIANS APP