front 1 1) Any process that destroys the non-spore forming contaminants on inanimate objects is sterilization. | back 1 Answer: FALSE |
front 2 2) Desiccation is a reliable form of sterilization. | back 2 Answer: FALSE |
front 3 3) The thermal death time is the time needed to kill all the bacteria in a particular culture at a certain temperature. | back 3 Answer: TRUE |
front 4 4) Pseudomonas has been found growing in quaternary ammonium compounds (quats). | back 4 Answer: TRUE |
front 5 5) Moist heat destroys organisms by denaturing proteins. | back 5 Answer: TRUE |
front 6 6) Some antimicrobial chemicals are considered to be disinfectants and antiseptics. | back 6 Answer: TRUE |
front 7 7) The pH of the medium has no effect on the activity of the disinfectant being applied. | back 7 Answer: FALSE |
front 8 8) Ultraviolet light (UV) causes irreversible breaks in DNA strands. | back 8 Answer: FALSE |
front 9 9) Autoclaving is the most effective method of moist heat sterilization. | back 9 Answer: TRUE |
front 10 10) Microorganisms placed in high concentrations of salts and sugars undergo lysis. | back 10 Answer: FALSE |