What do causative agents include?

Causative agents refer to the microorganisms or pathogens that can lead to infections and diseases. This includes a wide range of harmful agents that can infect hosts and cause illness. The correct answer includes bacteria, viruses, and fungi, which all play a significant role in human health.

Bacteria are single-celled organisms that can be pathogenic, causing various infections ranging from mild to severe. Viruses, which are even smaller than bacteria, can invade host cells and reproduce, often leading to illnesses like colds and influenza. Fungi also contribute as causative agents, particularly in certain conditions like athlete's foot or systemic fungal infections that may develop in individuals with weakened immune systems.

By acknowledging that causative agents include this diverse range of pathogens, it allows healthcare workers, including CNAs, to understand the breadth of potential infectious agents they may encounter and provides a foundational knowledge for prevention and control measures in healthcare settings. Understanding this comprehensive definition is essential for effective infection control and patient care practices.