nitted again with pneumonia, two weeks later. A lung biopsy shows no bacteria or viruses. patient is given broad-spectrum antibiotics, and she returns home after 8 days in the tal. When the patient develops pneumonia again, a bronchoscopy shows septate hyphae in ing tissue. The patient keeps no pets, she is not a gardener, and she is not fond of the pors. Investigators find some sparrows nesting outside her bedroom window, and some rgillus is cultured from her humidifier. hat is your guess about the identity of the pathogen? hy did it take so long to diagnose this pathogen? hy did the woman's infection keep returning?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Clinical application: An 83-year-old woman is hospitalized with pneumonia. She is given
penicillin and is discharged seven days later, when her symptoms subside. The same patient is
readmitted again with pneumonia, two weeks later. A lung biopsy shows no bacteria or viruses.
The patient is given broad-spectrum antibiotics, and she returns home after 8 days in the
hospital. When the patient develops pneumonia again, a bronchoscopy shows septate hyphae in
her lung tissue. The patient keeps no pets, she is not a gardener, and she is not fond of the
outdoors. Investigators find some sparrows nesting outside her bedroom window, and some
Aspergillus is cultured from her humidifier.
(a) What is your guess about the identity of the pathogen?
(b) Why did it take so long to diagnose this pathogen?
(c) Why did the woman's infection keep returning?
Transcribed Image Text:Clinical application: An 83-year-old woman is hospitalized with pneumonia. She is given penicillin and is discharged seven days later, when her symptoms subside. The same patient is readmitted again with pneumonia, two weeks later. A lung biopsy shows no bacteria or viruses. The patient is given broad-spectrum antibiotics, and she returns home after 8 days in the hospital. When the patient develops pneumonia again, a bronchoscopy shows septate hyphae in her lung tissue. The patient keeps no pets, she is not a gardener, and she is not fond of the outdoors. Investigators find some sparrows nesting outside her bedroom window, and some Aspergillus is cultured from her humidifier. (a) What is your guess about the identity of the pathogen? (b) Why did it take so long to diagnose this pathogen? (c) Why did the woman's infection keep returning?
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