Which of the following is the most common site of a nosocomial infection?

• A. Respiratory tract
• B. Skin
• C. Gastrointestinal tract
• D. Urinary tract

Answer: (D)

Verified step by step guidance

1. Understand the term 'nosocomial infection,' which refers to infections acquired in a hospital or healthcare setting that were not present or incubating at the time of admission.
2. Recall the common sites where nosocomial infections occur, such as the respiratory tract, skin, gastrointestinal tract, and urinary tract.
3. Consider the frequency and risk factors associated with each site. For example, urinary tract infections are often linked to catheter use in hospitals, making them a common source of nosocomial infections.
4. Review epidemiological data or studies that report the incidence rates of nosocomial infections by site to identify which site has the highest occurrence.
5. Conclude that the urinary tract is the most common site of nosocomial infection due to its high incidence, especially related to catheter-associated urinary tract infections (CAUTIs).