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Microbiology Bacterial Diseases of LRT (EXAM 5) with complete solutions R198,42   Add to cart

Exam (elaborations)

Microbiology Bacterial Diseases of LRT (EXAM 5) with complete solutions

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  • Course
  • LRT
  • Institution
  • LRT

Lower Respiratory barrier to infection Ciliated mucus membrane Lower Respiratory barrier to infection Alveolar macrophages Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:54 Full screen 6 Ways to Show Appreciation for Your Child's Teacher Di...

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  • September 7, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • LRT
  • LRT
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Microbiology Bacterial Diseases of LRT
(EXAM 5) with complete solutions




Lower Respiratory barrier to infection - ANSWER- Ciliated mucus membrane

Lower Respiratory barrier to infection - ANSWER- Alveolar macrophages

Diagnosis of Lower Respiratory Tract infection - ANSWER- Sputum culture
<10 squamous epithelial cells
>25 WBC
on gram stain

Normal flora of the LRT - ANSWER- A) Trachea has few bacteria (Don't colonize
and are eliminated)
B) Otherwise sterile

Diseases of the LRT - ANSWER- 1) Pleuritis
2)Pneumonia

Pleuritis - ANSWER- -Pain is the main symptom
-Smooth pleural lining gets inflamed and rough, rubs together, can hear rubbing
with a stethoscope

Pneumonia - ANSWER- Infection of the lungs

Bacterial causes of LRT disease - ANSWER- 1) Bordetella pertussis
2) Streptococcus pneumoniae
3) Mycoplasma pneumoniae
4) Chlamydophila pneumoniae
5) Legionella pneumoniae
6)Mycobacterium tuberculosis

, Bacterial Diseases of the LRT - ANSWER- 1)Whooping cough
2)Primary pneumonia
3)Atypical Pneumonia
4)Tuberculosis

Bordetella pertussis(gram stain) - ANSWER- Gram Negative coccobacillus

Bordetella pertussis(diseases caused) - ANSWER- Whooping cough

Bordetella pertussis(epidemiology) - ANSWER- More common in the <1 year and
20+yo age group

Bordetella pertussis(virulence factors) - ANSWER- A-B toxin(Stops mucociliary
escalator)

Bordetella pertussis(diagnosis) - ANSWER- Diagnosis based on "whoop" cough

Whooping cough disease stages - ANSWER- 1)Catarrhal stage
2)Paroxysmal stage
3)Convalescent stage

Catarrhal stage (whooping cough) - ANSWER- cold-like/fever

Paroxysmal stage (whooping cough) - ANSWER- cough-whoop

Convalescent stage (whooping cough) - ANSWER- last for months (cough)

Bordetella pertussis(treatment) - ANSWER- Antibiotics (erythromycin)

Bordetella pertussis(prevention) - ANSWER- DTaP vaccine

Streptococcus pneumoniae(gram stain) - ANSWER- Gram positive diplococchi

Streptococcus pneumoniae(disease caused) - ANSWER- Primary Pneumonia
Disease

Streptococcus pneumoniae(treatment) - ANSWER- -Can be deadly if untreated
-antibiotics (penicillin)

Streptococcus pneumoniae(prevention) - ANSWER- Vaccine
-For elderly (capsule)

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