Louisiana Esthetics State Board Practice Test

What does sterilizing by steam under pressure effectively kill?

1. Viruses only

2. Fungi only

3. All pathogens

4. Bacteria only

The correct answer is: All pathogens

Sterilization by steam under pressure, commonly referred to as autoclaving, is a highly effective method for eliminating a wide range of microorganisms. This process involves subjecting items to high-pressure steam at temperatures typically around 121 degrees Celsius (250 degrees Fahrenheit) for a specified period. The combination of heat and moisture creates an environment that disrupts cell membranes, denatures proteins, and ultimately destroys the structural integrity of various pathogens. This method is capable of killing not only bacteria but also viruses, fungi, and their spores, making it a comprehensive solution for sterilization. In medical and esthetic settings, ensuring that all potential pathogens are eradicated is crucial for preventing infections and maintaining client safety. Therefore, steam sterilization is recognized as a critical procedure that targets and eliminates all types of pathogens, which is why this answer is the most accurate choice. Other answers would not fully encompass the broad spectrum of microorganisms effectively killed through this proven sterilization technique.