The most common pathogens responsible for nosocomial pneumonias in the ICU are______________?
Correct answer: B. Gram negative organisms
- A. Gram positive organisms
- B. Gram negative organisms
- C. Mycoplasma
- D. Virus infections
Explanation
ICU-acquired pneumonias are classically dominated by Gram-negative bacilli, including Pseudomonas, Klebsiella and Acinetobacter, although MRSA is also important. Mycoplasma and viruses are not the usual leading causes of ventilator-associated bacterial pneumonia.
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