Which of the following is a biological test organism for validating dry or moist heat sterilization?
A)Bacillus subtilis var.niger
B)Escherichia coli
C)Staphylococcus aureus
D)Staphylococcus epidermidis

Question

Quizplus · Accepted Answer

Bacillus subtilis var. niger is commonly used as a biological test organism for validating both dry and moist heat sterilization processes. It is a spore-forming bacterium that is highly resistant to high temperatures, making it a suitable organism for testing the effectiveness of different sterilization methods. Escherichia coli and Staphylococcus species are not typically used for validation of heat sterilization processes.

Which of the Following Is a Biological Test Organism for Validating