Texas State Manicurist Written Practice Exam

What is the defining characteristic of Mycobacterium Fortuitum?

1. A microscopic organism that exists primarily in soil

2. A microscopic organism that normally exists in low concentrations in tap water

3. A disease-causing organism that spreads rapidly

4. A type of antibiotic-resistant bacteria

The correct answer is: A microscopic organism that normally exists in low concentrations in tap water

Mycobacterium fortuitum is primarily characterized as a microscopic organism that is commonly found in environmental sources, including soil and water. The defining aspect of Mycobacterium fortuitum is its tendency to exist in low concentrations within tap water systems. This organism is part of a group known as non-tuberculous mycobacteria, which can occasionally cause infections, particularly in individuals with compromised immune systems or in the presence of breaks in the skin. This characteristic of residing in and being isolated from tap water is significant because it highlights potential paths for exposure, especially in health and beauty practices where water is frequently used. In environments like salons, the knowledge of such organisms is crucial for maintaining hygiene and preventing possible infections. The other options present different features that do not accurately define Mycobacterium fortuitum. While it can cause infections, the emphasis is not on rapid spread like some disease-causing organisms. Additionally, while antibiotic resistance can be a concern with various bacteria, Mycobacterium fortuitum is not universally classified strictly as antibiotic-resistant. Understanding the ecological niche of this bacterium helps in preventing infections related to it.