that infect the reapiratory Flashcards

(6 cards)

1
Q

gram negative bacilli coccobacilli that infect respiratory

A
psudomonas
legionella
Moraxella
Bordetella
haemophilus
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2
Q

pseudomonas areuginosa

A

cyctic fibrosisبتسبب
و skin and soft tissue infection burn wounds foliculitis
UTI
Ear infection : external otitis (swimmer’s ear)
بتكون في hospital enviroment
و عندها مقاومة للادوية
opportunistic
cytochrome oxidase
oxidase +
areuginosa هاد النوع ريحتو حلوة زي العنب
virulence factor
flagella , pili , LPS , alginate , capsule
exotoxin A بخرب البروتين
phospholipase C بتعمل hemolysin يعني بتحلل ال RBC

condition for most infection
moist reservoir , compromised host defenses (truma, antibiotic usage)
compination of antibiotics

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3
Q

moraxella

M.catarrhalis

A

gram nig diplococci
عامل مهم في RIT
بتسويlower respiratory والchronic obstructive pulmonary disease)COPD
nosocomial pathogen من المستشفى

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4
Q

legionlnella

L.pneumophila

A

slender , pleomorphic , gram neg rod
عشان ينموا في culture لازم cycteine
بتنتقل عن طريق exposure to contaminated aerosols
بتكون في ال cooling towers , whrilpool , showerheads , water mister
facultative intracellular bacteria macrophages
بتكون مجموعة biofilm
L.pneumophila
بتعمل infeluenza like illness الي هي pontiac fever
و هي sever form of pneumonia الي هي legionnaires disease
بنزرعها في(BCYE )agar

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5
Q

Bordetella

A

B.pertussis
strictly aerobic gram negative culture is difficult
pertussis whooping cough هدول امراضها
بتنتقل عن طريق ال respiratory
المطعوم هو inactivated toxin الي هو pertussis toxin
pertussis toxin A-B toxin
بزيد ال cAMP الي بزيد الrespiratory secretion and mucua production
بعمل paralisis ل ال cilia ف بخرب التنضيف داخل الرئة

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6
Q

heamophilus

A
H.infeluenza
haemo , blood .,hilos lover blood بتحتاج دم عشان تنمو
بتنمو في ال mucosa of the respiratory
اذا راحت ع دم بتسبب meningitis
polysaccharide capsule
بتنمو ب CH.agar
المطاعين ضد الكبسولة  PRP لل تبع الكبسولة
بتصيب الاطفال الي مش ماخذين المطعوم
ال nonencapsulated هاي opportunistic

H.infeluenza and Strrepto . pneuomonia the most common cause of
acute and chronic otitis and sunusitis

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