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14 Cards in this Set
- Front
- Back
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T/F Opportunistic pathogens are always dimorphic.
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Umm...hellooo! False. They are almost never dimorphic.
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Are candida and cryptococcus dimorphic?
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Nope.
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What factors can predispose someone to opportunistic infxns?
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-Surgery, medical implants, catheterization.
-Immunosuppressive therapies. -Inherited immune defects, leukemia, AIDS, diabetes. -Poor diet, hygiene, IV drug abuse. |
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Aspergillosis is most commonly caused by:
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Aspergillus fumigatus.
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What is Aspergillosis?
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Aspergillosis is the name given to a wide variety of diseases caused by fungi of the genus Aspergillus. The most common forms are allergic bronchopulmonary aspergillosis, pulmonary aspergilloma and invasive aspergillosis. Most humans inhale Aspergillus spores every day; aspergillosis develops mainly in immunocompromised individuals.
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What is an aspergilloma?
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A fungus ball in the lung.
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Does aspergilloma have a yeast form?
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No. Just mycelium.
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What is the most common site of invasive aspergillosis?
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Lungs
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Penicilliosis is caused by:
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Penicillium marneffei
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Two main causes of mucormycosis:
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Mucor and Rhizopus
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T/F The organisms causing mucormycosis cause acidosis, which is favorable to them.
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True.
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T/F Diagnosis of mucormycosis is usually post-mortem.
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True.
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The most frequent presentation overall from mucormycosis is __(a)__ and is clasically seen in __(b)__ patients with __(c)__.
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a. rhinocerebral
b. diabetes c. ketoacidosis |
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Pneumocystis Carinii pneumonia is an oppportunistic infection that occurs in __(a)__ populations, primarily patients with advanced __(b)__. PCP has __(c)__ in incidence in the developed world, but its __(d)__ and __(e)__ remain a challenge.
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a. immunocompromised
b. AIDS c. declined d. diagnosis e. treatment |
