Podcast
Questions and Answers
Which sterilization method involves slow protein denaturation through oxidation as its mode of action?
Which sterilization method involves slow protein denaturation through oxidation as its mode of action?
- Moist heat
- Dry heat (correct)
- Filtration
- Ethylene oxide
What is the mode of action of moist heat during sterilization?
What is the mode of action of moist heat during sterilization?
- Slow protein denaturation through oxidation
- Protein and nucleic acid denaturation (correct)
- Enhancement of bactericidal rate
- Resistance to bactericidal agents
Why are bacterial endospores more resistant to heat compared to vegetative cells?
Why are bacterial endospores more resistant to heat compared to vegetative cells?
- Due to higher water content
- High susceptibility to bactericidal agents
- Lack of SH groups in proteins
- Contain calcium and dipicolinic acid (correct)
Which factor plays a significant role in affecting the efficiency of heat sterilization?
Which factor plays a significant role in affecting the efficiency of heat sterilization?
Which of the following is NOT an official method for sterilization?
Which of the following is NOT an official method for sterilization?
What is the main reason for the resistance of endospores to heat sterilization?
What is the main reason for the resistance of endospores to heat sterilization?
What does heat in the presence of a bactericidal agent enhance during sterilization?
What does heat in the presence of a bactericidal agent enhance during sterilization?
Why does moist heat cause death through protein and nucleic acid denaturation?
Why does moist heat cause death through protein and nucleic acid denaturation?
What is the primary mode of action of sterilization by moist heat?
What is the primary mode of action of sterilization by moist heat?
Which of the following is NOT an official method for sterilization?
Which of the following is NOT an official method for sterilization?
What is the primary reason for the resistance of endospores to heat during sterilization?
What is the primary reason for the resistance of endospores to heat during sterilization?
What is the key factor that affects the efficiency of heat sterilization?
What is the key factor that affects the efficiency of heat sterilization?
Which method of sterilization involves death due to bactericidal action with enhanced reaction rates?
Which method of sterilization involves death due to bactericidal action with enhanced reaction rates?
What substance protects the SH groups of proteins during heat sterilization?
What substance protects the SH groups of proteins during heat sterilization?
What is the z value relevant to in sterilization?
What is the z value relevant to in sterilization?
Flashcards
Dry Heat Sterilization
Dry Heat Sterilization
Mode of action involving slow protein denaturation through oxidation.
Moist Heat Sterilization
Moist Heat Sterilization
Denaturation of proteins and nucleic acids through coagulation.
Endospore Resistance to Heat
Endospore Resistance to Heat
Calcium and dipicolinic acid within endospores provide resistance to heat.
Factors Affecting Heat Sterilization
Factors Affecting Heat Sterilization
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UV Sterilization
UV Sterilization
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Endospore Resistance Mechanism
Endospore Resistance Mechanism
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Heat and Bactericidal Action
Heat and Bactericidal Action
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Moist Heat Mechanism
Moist Heat Mechanism
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Moist Heat's Primary Action
Moist Heat's Primary Action
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Pasteurization
Pasteurization
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Endospore Heat Resistance
Endospore Heat Resistance
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Key Factor in Heat Sterilization
Key Factor in Heat Sterilization
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Dry Heat Action
Dry Heat Action
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Disulfide Bond Protection
Disulfide Bond Protection
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Z Value in Sterilization
Z Value in Sterilization
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