Microbiology Flashcards Preview

Respiratory > Microbiology > Flashcards

Flashcards in Microbiology Deck (23):
1

Combination therapy of tuberculosis

2 months of:
Rifampicin
Isoniazid
Pyrazinamide
Ethambutol
4 months of:
Rifampicin
Isoniazid

2

What effect does rifampicin have on urine?

Colours urine and all bodily fluids orange

3

Antibiotic given for pleural infection

Vancomycin (for s.aureus)

4

Nasopharynx host defences

Nasal hairs
Ciliated epithelia
IgA

5

Oropharynx host defences

Saliva
Sloughing
Cough

6

Sinusitis

Inflammation of paranasal sinuses

7

Rhinitis

Inflammation of nose

8

Pharyngitis

Inflammation of pharynx, tonsils, uvula

9

Epiglottitis

Inflammation of epiglottis, superior larynx

10

Laryngitis

Inflammation of larynx

11

Gram positive upper respiratory tract colonisers

Strep pneumoniae (a-haemolytic streptococci)
Strep pyogenes (b-haemolytic streptococci)
Staphylococcus aureus

12

Gram negative upper respiratory tract colonisers

Haemophilus influenzae
Moraxella Catarrhalis

13

Haemophilus influenzae

Gram negative coccobacillus
Blood-loving species

14

Moraxella Catarrhalis

Gram negative coccus

15

Conducting airway defences

Mucociliary escalator
AMPs
Cellular and humoral immunity

16

Bacteria which causes whooping cough

Bordetella Pertussis

17

Characteristics of bordetella pertussis

Gram negative coccobacillus
Exclusively human pathogen

18

3 main routes of transmission

Contact
Airborne
Droplets

19

Lower respiratory tract defences

Alveolar lining fluid - IgA, AMP, Surfactant, Complement, FFA
Alveolar macrophages and neutrophils

20

Causative organisms for community acquired pneumonia

Streptococcus pneumoniae
Atypicals/ Viruses
Haemophilus influenzae
Staphylococcus aureus

21

Treatment for legionella pneumonia

Clarythromycin, erythryomycin
Qunolone (e.g. levofloxacin)

22

Legionella pneumonia characteristics

Common environmental gram negative bacteria
Resides with water amoeba
Invades alveolar macrophages& replicates

23

Clinical presentation of legionella pneumonia

Flu like illness which may progress to severe pneumonia
Mental confusion
Renal failure
GI problems