Intro to Bacterial Infections Flashcards
1
Q
The process of Gram staining
A
- stain with crystal violet
- decolourised with acetone
- counter stain with carbol fuschin
2
Q
What is the clinical relevance of Gram’s classification?
A
- endotoxin = a major component of the cell wall of Gram negs causes septic shock
3
Q
Gram positive cocci in clusters
A
Staphylococcus
4
Q
Gram positive cocci in chains/pairs
A
- streptococcus
- enterococcus
5
Q
Clinical complications of S. aureus
A
- wound infection
- arthritis
- boils
- cellulitis
- pneumonia
6
Q
Gram negative cocci
A
- Neisseria
- Moraxella
7
Q
Gram negative bacilli
A
- enterobacteriacea
- parvobacteria
- non-fermenters
- vibrios
- anaerobes
8
Q
Which organisms is DFAT used for?
A
- mycoplasma pneumoniae
- legionella pneumophila
- chlamydia pneumoniae
- Treponema pallidum
9
Q
Stains to visualise mycobacterium tuberculosis
A
- auramine
- ziehl- Neelsen
10
Q
What is a pathogen?
A
- any microorgainsm that has the capacity to cause disease
11
Q
Stages of infection
A
- transmission
- adherence
- colonization
- invasion
- immune evasion
- disease
