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Medical Microbiology > Soil borne Funal > Flashcards

Soil borne Funal Flashcards

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Biology 101 flashcards USMLE® Step 1 flashcards
1
Q

CA - Histoplasmosis

A

Histoplasma capsulatum

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2
Q

VF - histoplasmosis

A
  • dimorphic fungus, fungal mold spores
  • yeast-form grows intracellulary in macrophages
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3
Q

Reservoirs - histoplasmosis

A

1- bird & bat droppings
2- soil

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4
Q

Airborne Conidia

A

(Histoplasmosis)
By inhalation of microscopic fungal spores

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5
Q

Sxs - histoplasmosis

A
  • forms lung lesions
  • fungemia (systemic infection)
  • mostly asymptomatic
  • flu-like mild sxs resembling tuberculosis
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6
Q

Diagnosis - histoplasmosis

A

Culturing of lung tissue or sputum sample; chest x-ray

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7
Q

Who is at high risk for histoplasmosis?

A

Chicken, bird handlers AND cave explorers

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8
Q

Pre-disposing factors - histoplasmosis

A

Commonly occurs in the Mississippi and Ohio river valleys

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9
Q

Prevention - histoplasmosis

A

No vaccine

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10
Q

Treatment - histoplasmosis

A

Anti fungals/ antimycotics

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11
Q

Coccidioidomycosis AKA

A

Valley fever OR San Joaquin fever

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12
Q

CA - coccidioidomycosis

A

Coccidioides immitis

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13
Q

VF - Coccidioidomycosis

A
  • dimorphic fungus, fungal spores
  • complex lifecycle of C. Immitis
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14
Q

Transmission - coccidioidomycosis

A

By inhalation of fungal spores called airborne arthroconidia —> spherules in tissue —> release endospores

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15
Q

Sxs - valley fever

A
  • mostly asymptomatic
  • flu like mild sxs resembling tuberculosis
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16
Q

Diagnosis - valley fever

A

Culturing of lung tissue or sputum sample; chest x-ray

17
Q

Pre-disposing factor - valley fever

A

Arthoconidia found in desert soils of the American southwest

18
Q

Prevention - San Joaquin fever

A

No vaccine

19
Q

Treatment - San Joaquin fever

A

Antimycotics/ antifungals

20
Q

Arthroconidia

A

(Coccidioidomycosis) acquired by inhalation of fungal spores

Medical Microbiology (13 decks)

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