Physical and Chemical Agents Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as tyndallization autoclaving inspissation none of these tyndallization autoclaving inspissation none of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by use of red heat? Glass slides Inoculating wires and loops Soiled dressings All-glass syringes Glass slides Inoculating wires and loops Soiled dressings All-glass syringes 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 on a petri plate at room temperature Storage in a freezer at -10°C Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature Storage in a freezer at -10°C 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 Which of the following items could be sterilized by dry heat sterilization? Glass pipettes Intravenous (IV) solution Plastic IV bags rubber gloves Glass pipettes Intravenous (IV) solution Plastic IV bags rubber gloves ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following disinfectants act by disrupting microbial membranes? Halogens Aldehydes Heavy metals Cationic detergents Halogens Aldehydes Heavy metals Cationic detergents ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS