Pneumocystis jiroveci, commonly seen in AIDS patients, is best described as which type of organism?

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Study for the NBEO Microbiology exam. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

Pneumocystis jiroveci, commonly seen in AIDS patients, is best described as which type of organism?

Explanation:
Pneumocystis jirovecii is a fungus. Among the options, a yeast best describes its nature because it is a unicellular, fungal organism that appears as yeast-like forms in the lungs (trophic forms and cysts). It’s not a bacterium, which are prokaryotes; not a virus, which are acellular; and not a mold, which are filamentous fungi. So, labeling it as yeast reflects its classification as a fungal, yeast-like organism that causes Pneumocystis pneumonia in susceptible individuals.

Pneumocystis jirovecii is a fungus. Among the options, a yeast best describes its nature because it is a unicellular, fungal organism that appears as yeast-like forms in the lungs (trophic forms and cysts). It’s not a bacterium, which are prokaryotes; not a virus, which are acellular; and not a mold, which are filamentous fungi. So, labeling it as yeast reflects its classification as a fungal, yeast-like organism that causes Pneumocystis pneumonia in susceptible individuals.

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