Physical and Chemical Agents Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have high concentration of solutes toxic alkaline chemicals insufficient nutrients low pH high concentration of solutes toxic alkaline chemicals insufficient nutrients low pH ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Milk is pasteurized in batch method by keeping it at 72°C for 6 minutes 72°C for 60 seconds 73°C for 30 minutes 63°C for 30 minutes 72°C for 6 minutes 72°C for 60 seconds 73°C for 30 minutes 63°C for 30 minutes 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
Physical and Chemical Agents Which of the following methods will not sterilize? Aqueous glutaraldehyde for 10 hours Dry heat at 171°C for 1 to 2 hours 100°C boiling water for 30 minutes 121°C at 15 lb/in pressure for 15 to 20 minutes Aqueous glutaraldehyde for 10 hours Dry heat at 171°C for 1 to 2 hours 100°C boiling water for 30 minutes 121°C at 15 lb/in pressure for 15 to 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by use of red heat? Inoculating wires and loops All-glass syringes Glass slides Soiled dressings Inoculating wires and loops All-glass syringes Glass slides Soiled dressings ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? None of these Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Substantially decreases enzymatic activity, slowing microbial reproduction Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form ANSWER DOWNLOAD EXAMIANS APP
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