Podcast
Questions and Answers
What is the mechanism of action for killing organisms by dry heat?
What is the mechanism of action for killing organisms by dry heat?
- Protein denaturation, oxidative damage, and toxic effects of elevated levels of electrolytes (correct)
- Coagulation and denaturation of enzymes and structural proteins
- Incineration
- Red heat
Which physical method involves holding materials in the flame of a Bunsen burner till they become red hot?
Which physical method involves holding materials in the flame of a Bunsen burner till they become red hot?
- Incineration
- Hot air oven
- Flaming
- Red heat (correct)
Which type of heat kills microorganisms by coagulation and denaturation of their enzymes and structural proteins?
Which type of heat kills microorganisms by coagulation and denaturation of their enzymes and structural proteins?
- Red heat
- Moist heat (correct)
- Dry heat
- Flaming
What factors influence sterilization by heat?
What factors influence sterilization by heat?
What physical method involves passing materials through the flame of a Bunsen burner without allowing them to become red hot?
What physical method involves passing materials through the flame of a Bunsen burner without allowing them to become red hot?
What is the primary mechanism of action for killing microorganisms by dry heat?
What is the primary mechanism of action for killing microorganisms by dry heat?
Which physical method involves holding materials in the flame of a Bunsen burner till they become red hot?
Which physical method involves holding materials in the flame of a Bunsen burner till they become red hot?
What type of material can be sterilized using the physical method of incineration?
What type of material can be sterilized using the physical method of incineration?
Which factor does not influence sterilization by heat?
Which factor does not influence sterilization by heat?
What is the primary difference between dry heat and moist heat sterilization?
What is the primary difference between dry heat and moist heat sterilization?
