Certification Board of Infection Control and Epidemiology (CBIC) 2025 – 400 Free Practice Questions to Pass the Exam

Pseudomonas species are opportunistic pathogens that are frequently associated with healthcare-associated infections. Among the options provided, healthcare-associated pneumonia (HA-pneumonia) is the most common condition linked to Pseudomonas infections, especially in patients with underlying health issues or compromised immune systems.

Pseudomonas aeruginosa can colonize the respiratory tract, particularly in hospitalized patients who are on mechanical ventilation or have chronic lung diseases, making them highly susceptible to acquiring pneumonia caused by this organism. The bacteria's ability to form biofilms and its inherent resistance to many antibiotics contribute to its role in severe lung infections.

While Pseudomonas can also be involved in septicemia, endocarditis, and cellulitis, these conditions are not as closely associated with Pseudomonas as HA-pneumonia. Septicemia, for instance, is a result of various pathogens and while Pseudomonas can cause it, other bacteria are more commonly implicated. Endocarditis typically involves different organisms, and cellulitis is often caused by skin flora or other pathogens.

Thus, healthcare-associated pneumonia stands out as the primary concern involving Pseudomonas sp., especially in clinical settings where the risk of infection is elevated. Understanding these associations helps in