Flashcards in Microbiology Deck (6)
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1
Q
What bug matches these immune system components?
- Phagocytes, B Lymphocytes and Complement
- T and B lymphocytes
- Phagocytes, T Lymphocytes, Eosinophils
- T Lymphocytes and Eosinophils
- Eosinophils, Mast cells.
A
- Bacteria
- Viruses
- Funghi
- Protozoa
- Worms
2
Q
- What is the most common cause of both Community and Hospital acquired Bacteraemia?
- What is the most common cause of community acquired Pneumonia? How does this gram stain and haemolyse?
- What bacteria commonly cause acute exacerbations of COPD?
A
- E.coli
- Streptococcus Pneumoniae, Gram Positive, alpha haemolysis.
- H. Influenzae and Moraxella Catarrhalis
3
Q
- Name one serious type of Staph Aureus skin infection
2. How is Strep pyrogenes identified (Group A Strep)
A
- Staphlococcal scalded skin syndrome.
2. Gram positive cocci in chains and beta haemolytic.
4
Q
- What are three most common bacterial causes of otitis media?
- How does one diagnose infections of the middle ear?
- How is it treated?
A
- H. Influenzae, Strep pnemoniae, Strep pyogenes
- Pus from a perforated eardrum if present.
- Majority self-limiting within 4 days resolved. Otherwise amoxicillin or erythromycin
5
Q
- Acute sinusitis is caused by similar bacteria to acute otitis media. How is it treated?
- Chloramphenicol can cause grey baby and is avoided in aplastic anaemia cases
- What is the most appropriate investigation for orbital cellulitis?
A
- If still persists beyond 10 days then benzylpenicillin then doxycycline (but not in children)
- CT scan
6
Q
- What bacteria is prodominant in normal vaginal flora?
2. How are pubic lice treated?
A
- Lactobacillus.
2. Malathion cream