Physical and Chemical Agents Which of the following substances can sterilize? Chlorine Alcohol Cetylpyridinium chloride Ethylene oxide Chlorine Alcohol Cetylpyridinium chloride Ethylene oxide 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 is a limitation of the autoclave? It takes too long to sterilize It will destroy heat labile materials It lacks the ability to kill endospores It lacks the ability to inactivate viruses It takes too long to sterilize It will destroy heat labile materials It lacks the ability to kill endospores It lacks the ability to inactivate viruses ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Both (a) and (b) Ethyl alcohol Isopropyl alcohol none of these Both (a) and (b) Ethyl alcohol Isopropyl alcohol none of these 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 thermal death temperature F value decimal reduction time thermal death point thermal death temperature F value decimal reduction time 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 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) Storage on a petri plate at room temperature Storage in a freezer at -10°C Storage in a refrigerator on an agar slant ANSWER DOWNLOAD EXAMIANS APP
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