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 decimal reduction time thermal death point F value D value decimal reduction time thermal death point ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is not a disinfectant containing a heavy metal? Copper sulfate Silver nitrate Chlorine Mercurochrome Copper sulfate Silver nitrate Chlorine Mercurochrome ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following items could be sterilized by dry heat sterilization? Intravenous (IV) solution Plastic IV bags rubber gloves Glass pipettes Intravenous (IV) solution Plastic IV bags rubber gloves Glass pipettes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food? Mesophile Obligate Anaerobe Acidophile Obligate Aerobe Mesophile Obligate Anaerobe Acidophile Obligate Aerobe ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Media containing spores and thermolabile constituents are sterilized by tyndalization pasteurization dry heat UV radiation tyndalization pasteurization dry heat UV radiation 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 on a petri plate at room temperature Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage in a freezer at -10°C Storage on a petri plate at room temperature Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) ANSWER DOWNLOAD EXAMIANS APP
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