STNA Practice Exam 2025 – Comprehensive Test Prep

The most common cause of infection in healthcare settings is bacteria. Bacterial infections can be widespread and occur in various forms, often resulting in conditions that require medical intervention. In healthcare environments, where invasive procedures, devices, and compromised immune systems are prevalent, bacteria are more likely to proliferate and cause infections.

Bacteria are resilient and can survive on surfaces, making them easily transmissible through contact between healthcare workers, patients, and medical equipment. Common bacterial infections found in healthcare settings include urinary tract infections, bloodstream infections, and surgical site infections. Understanding the prominence of bacterial infections is crucial for implementing effective infection control practices to protect both patients and healthcare workers.

While viruses, parasites, and fungi can also cause infections, they are not as frequently the primary sources in healthcare settings compared to bacteria.