FFA Veterinary Science CDE Practice Test

Which type of infection is primarily caused by exposure to living organisms in animals?

1. Bacterial Infections

2. Infectious Diseases

3. Parasitic Infections

4. Viral Infections

The correct answer is: Infectious Diseases

Infectious diseases encompass a broad category of illnesses caused by biological agents, including bacteria, viruses, fungi, and parasites. They arise when living organisms, such as bacteria or viruses, invade the body and multiply, leading to disease. In the context of animals, exposure to these living organisms can lead to various types of infectious diseases that may affect both the host animal and, in some cases, humans. Choosing infectious diseases as the correct answer highlights the overarching category that includes numerous specific infections caused by living organisms rather than limiting it to one specific type of pathogen. While bacterial, viral, and parasitic infections represent specific classes of infectious diseases, the term "infectious diseases" captures them all under a larger umbrella. This distinction is significant in epidemiology, as it emphasizes the importance of considering all potential pathogens when evaluating infections resulting from exposure to living organisms in animals.