10 Questions
What is the mechanism of action for killing organisms by dry heat?
Protein denaturation, oxidative damage, and toxic effects of elevated levels of electrolytes
Which physical method involves holding materials in the flame of a Bunsen burner till they become red hot?
Red heat
Which type of heat kills microorganisms by coagulation and denaturation of their enzymes and structural proteins?
Moist heat
What factors influence sterilization by heat?
Nature of heat, temperature and time, number of microorganisms present, characteristics of the organisms
What physical method involves passing materials through the flame of a Bunsen burner without allowing them to become red hot?
Flaming
What is the primary mechanism of action for killing microorganisms by dry heat?
Protein denaturation and oxidative damage
Which physical method involves holding materials in the flame of a Bunsen burner till they become red hot?
Red heat
What type of material can be sterilized using the physical method of incineration?
All of the above
Which factor does not influence sterilization by heat?
Elevated levels of electrolytes
What is the primary difference between dry heat and moist heat sterilization?
Moist heat coagulates and denatures enzymes, while dry heat relies on red heat
Test your knowledge of the definitions of sterilization and disinfection, including the processes involved and their applications. Learn about the differences between these two important practices in healthcare and microbiology.
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