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Flashcards in Microbiology Deck (6)
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1
Q

What bug matches these immune system components?

  1. Phagocytes, B Lymphocytes and Complement
  2. T and B lymphocytes
  3. Phagocytes, T Lymphocytes, Eosinophils
  4. T Lymphocytes and Eosinophils
  5. Eosinophils, Mast cells.
A
  1. Bacteria
  2. Viruses
  3. Funghi
  4. Protozoa
  5. Worms
2
Q
  1. What is the most common cause of both Community and Hospital acquired Bacteraemia?
  2. What is the most common cause of community acquired Pneumonia? How does this gram stain and haemolyse?
  3. What bacteria commonly cause acute exacerbations of COPD?
A
  1. E.coli
  2. Streptococcus Pneumoniae, Gram Positive, alpha haemolysis.
  3. H. Influenzae and Moraxella Catarrhalis
3
Q
  1. Name one serious type of Staph Aureus skin infection

2. How is Strep pyrogenes identified (Group A Strep)

A
  1. Staphlococcal scalded skin syndrome.

2. Gram positive cocci in chains and beta haemolytic.

4
Q
  1. What are three most common bacterial causes of otitis media?
  2. How does one diagnose infections of the middle ear?
  3. How is it treated?
A
  1. H. Influenzae, Strep pnemoniae, Strep pyogenes
  2. Pus from a perforated eardrum if present.
  3. Majority self-limiting within 4 days resolved. Otherwise amoxicillin or erythromycin
5
Q
  1. Acute sinusitis is caused by similar bacteria to acute otitis media. How is it treated?
  2. Chloramphenicol can cause grey baby and is avoided in aplastic anaemia cases
  3. What is the most appropriate investigation for orbital cellulitis?
A
  1. If still persists beyond 10 days then benzylpenicillin then doxycycline (but not in children)
  2. CT scan
6
Q
  1. What bacteria is prodominant in normal vaginal flora?

2. How are pubic lice treated?

A
  1. Lactobacillus.

2. Malathion cream