Sixty percent of all VAP infections are caused by which of the following?
a. Aerobic gram-negative bacilli
b. Anaerobic gram-negative bacilli
c. Aerobic gram-negative rods
d. Anaerobic gram-positive cocci
ANS: A
Aerobic gram-negative bacilli have accounted for nearly 60% of all VAP infections. The most common of these are Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli, and Acinetobacter sp.
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