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 D value F value decimal reduction time thermal death point D value F value ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Bacillus stearothermophilus Clostridium histolyticum Bacillus cereus Clostridium perfringens Bacillus stearothermophilus Clostridium histolyticum Bacillus cereus Clostridium perfringens ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour? All-glass syringes All of these Swab sticks Oils and jellies All-glass syringes All of these Swab sticks Oils and jellies ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The time in minutes at a specific temperature needed to kill a population of cells is the decimal reduction time F value thermal death temperature thermal death point decimal reduction time F value thermal death temperature thermal death point 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
Physical and Chemical Agents A(n)____is used to prevent infection by killing or inhibiting pathogen growth on animal tissues. sanitizer bacteriostatic agent disinfectant antiseptic sanitizer bacteriostatic agent disinfectant antiseptic ANSWER DOWNLOAD EXAMIANS APP
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