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Path Block 2 > 6- Respiratory Infections Part 2 > Flashcards

6- Respiratory Infections Part 2 Flashcards

0
Q

Second most common cause of nosocoma infection

A

E.coli

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1
Q

Most common cause of nosocomial pneumonia

A

Pseudomonas

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2
Q

Third most common cause of nosocomial infection

A

Penicillin resistant staph aureus

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3
Q

Type of necrosis in lung abcess

A

Liquefactive necrosis

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4
Q

Lung abscesses are seen in what patients mostly

A

Acute alcoholic
Coma
Anesthesia

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5
Q

What does an abcess cavity contain

A

Neutrophils and liquefactive necrotic debris

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6
Q

X ray of lung abscess appearance

A

Air and fluid level on x ray

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7
Q

Histoplasmosis fungi anatomy

A

Thin branching septate hyphae

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8
Q

Blastomyces dermatitis anatomy

A

Broad based budding

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9
Q

Organism that leaves a tree bark appearance

A

Histoplasmosis capsulatum

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10
Q

Tree bark appearance made of

A

Lesion of fibrosis and concentric circular calcification

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11
Q

Intracellular fungus that affects macrophages

A

Histolplasma capsulatum

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12
Q

Most common systemic fungal infection

A

Histolplasma capsulatum

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13
Q

Where is blastomyces dermatitidis found

A

Decomposing food

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14
Q

Where is Coccidioes immitis found

A

Athrospores in dust

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15
Q

2 Mycobacterium tuberculosis present with a coin cavity lesion where in lung

A

Apex of lung

16
Q

Factor of TB that inhibits macrophage migration and elicits Granuloma formation

A

Wax d cord factor

17
Q

What are the acid fast stains

A

Zeehl nielson

Kinyoun stain

18
Q

Disseminate tb in adrenals leads to what

A

Addison’s disease decreases aldosterone so Hypoatremia

19
Q

The anatomy of Granuloma in TB from inside to out

A

Caseous necrosis,
multinucleated giant Langland cells and activate macrophages

Lymphocytes and plsma cells

Fibrosis-only healing

20
Q

Tb scarring can to what cancer?

A

Scar cancer-adenocarcinoma

21
Q

Treatment for TB

A

rifampine
Isoniazid INH
Pyrazinamide
Ethambutol

22
Q

What does colonizing aspergiillus result in when fungus ball invades pulmonary blood vessel

A

Massive hemoptysis

23
Q

Organisms that cause massive hemoptysis

A

Mucor
Candida
Aspergiillus

24
Q

Predisposing. Factors for aspergiillus fumigatus pneumonia

A

Corticosteroid use

Neutropenia-

25
Q

Anatomy of aspergilus fumigatus

A

Narrow regular angle 45 hypha

26
Q

Stain for aspergiillus

A

Gms stain to see fruiting bodies

27
Q

Predisposition to mucor

A

Neutropenia
DM **-nasal frontal lobe
Corticosteroids

28
Q

Mucor anatomy

A

Nonsepte hyphae

Broad Irregular branching 90. Degrees

Path Block 2 (19 decks)

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