Utah Esthetician State Board Practice Exam

Which bacteria type is generally harmless and beneficial?

1. Pathogenic bacteria

2. Non-pathogenic bacteria

3. Extreme bacteria

4. Virulent bacteria

The correct answer is: Non-pathogenic bacteria

Non-pathogenic bacteria are generally considered harmless and can even be beneficial to humans. They play essential roles in various bodily functions, such as digestion and protecting against harmful pathogens by outcompeting them for resources. For instance, certain non-pathogenic strains of bacteria are found in the human microbiome, contributing to gut health and overall immunity. In contrast, pathogenic bacteria are known to cause disease and can lead to various infections. Extreme bacteria, often found in extreme environments, do not typically interact with human health positively or negatively in everyday scenarios. Virulent bacteria possess the capability to cause severe diseases and are more harmful due to their ability to evade the immune system or produce toxins. Understanding the distinction between non-pathogenic and pathogenic types is crucial in esthetics and healthcare since it informs practices related to skin care, sanitation, and hygiene.