Physical and Chemical Agents Which of the following has most heat resistant spores? Bacillus cereus Bacillus stearothermophilus Clostridium histolyticum Clostridium perfringens Bacillus cereus Bacillus stearothermophilus Clostridium histolyticum Clostridium perfringens ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals? Capacity test Phenol coefficient test Minimum inhibitory concentration test None of these Capacity test Phenol coefficient test Minimum inhibitory concentration test None of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Substantially decreases enzymatic activity, slowing microbial reproduction None of these 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 Substantially decreases enzymatic activity, slowing microbial reproduction None of these 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
Physical and Chemical Agents The process of making an object free from living organisms including bacterial and fungal spores and viruses is known as sterilization antisepsis pasteurization disinfection sterilization antisepsis pasteurization disinfection ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as inspissation none of these autoclaving tyndallization inspissation none of these autoclaving tyndallization ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the decimal reduction time thermal death point thermal death temperature thermal death time decimal reduction time thermal death point thermal death temperature thermal death time ANSWER DOWNLOAD EXAMIANS APP
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