Biofilm Infections

Description

Medical Microbiology (Biofilms) Quiz on Biofilm Infections, created by gina_evans0312 on 17/04/2014.
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Quiz by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312 about 10 years ago
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Resource summary

Question 1

Question
In which setting is biofilm infection common?
Answer
  • Hospitals
  • Community Centers
  • Nursing Homes

Question 2

Question
Why are biofilm infections so problematic?
Answer
  • They're localised
  • Resist phagocytosis
  • Tend to be multi-drug resistant
  • Have heterogenous populations

Question 3

Question
Which bacteria cause Infective Endocarditis?
Answer
  • Streptococci
  • Staphylococci
  • E.Coli

Question 4

Question
Put the following on order of Endocarditis Infection- A- Initial damage provides surface for binding B- Lesions form on the heart valve C-A bundle of bacteria, plateles and fibrin forms
Answer
  • A-C-B
  • A-B-C
  • C-A-B

Question 5

Question
Name four reasons why biofilm bacteria are difficult to diagnose
Answer
  • They are localised in one body part
  • The bacteria are encased in a matrix and difficult to detect
  • The bacteria are surface related
  • The bacteria are usually resistant to anti-biotics

Question 6

Question
It is thought the barrier properties of EPS help resistance to antibiotics in biofilm bacteria
Answer
  • True
  • False

Question 7

Question
Which of the following are possible explainations for biofilm resistance to antibiotics?
Answer
  • Starved, slow growing bacteria in the centre will take up less antibiotics
  • There are more likely to be subpopulations of resistant bacteria
  • Bacteria can assist each other in removing bacteria from a biofilm
  • Biofilm bacteria are immune to drugs that cannot penetrate the cell wall
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