The correct Answer is BImmunosuppressed patients, particularly those with AIDS,are vulnerable to a broad range of pulmonary pathogens. In addition to being susceptible to the many organisms that produce community- and hospital-acquired pneumonias, these patients are susceptible to many opportunistic microbes that are unlikely to cause pneumonia in immunologically competent hosts.
Such organisms include bacteria (e.g.,
Pseudomonas, Nocardia, and
Legionella), mycobacteria (e.g.,
M. avium complex), viruses (e.g., cytomegalovirus and herpesvirus), fungi (e.g.,
Candida, Aspergillus, Mucor, and
Pneumocystis jiroveci [formerly
P. carinii]), and protozoa (e.g.,
Toxoplasma gondii)
Category:
MAHE 2000 MCQs
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