Physical and Chemical Agents The time required to kill 90% of the microorganisms in a sample at a specific temperature is the F value D value thermal death point decimal reduction time F value D value thermal death point decimal reduction time ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is not a disinfectant containing a heavy metal? Silver nitrate Copper sulfate Mercurochrome Chlorine Silver nitrate Copper sulfate Mercurochrome Chlorine ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents One drawback to the use of ultraviolet light as a sterilizing agent is its failure to bacterial spores failure to kill bacteria failure to kill microbes in a closed environment failure to kill microbes located in the center of an object failure to bacterial spores failure to kill bacteria failure to kill microbes in a closed environment failure to kill microbes located in the center of an object ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by lowering osmotic pressure creating a hypotonic environment creating a hypertonic environment raising pH lowering osmotic pressure creating a hypotonic environment creating a hypertonic environment raising pH ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Ethylene oxide Chlorine Ultraviolet radiation Glutaraldehyde Ethylene oxide Chlorine Ultraviolet radiation Glutaraldehyde ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Bacillus cereus Bacillus stearothermophilus Clostridium perfringens Clostridium histolyticum Bacillus cereus Bacillus stearothermophilus Clostridium perfringens Clostridium histolyticum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS