Microbiology: Infections and Colonisation
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Questions and Answers

What is the presence of a microbe in the human body without an inflammatory response?

  • Colonisation (correct)
  • Bacteraemia
  • Sepsis
  • Infection

    • What is the term used to describe the presence of viable bacteria in the blood?

  • Sepsis
  • Bacteraemia (correct)
  • Infection
  • Colonisation

    • Which of the following is a common source of bacteria in the community?

  • E coli (correct)
  • MRSA
  • CNS
  • Enterococci

    • What is the normal pH of the vagina due to the presence of Lactobacillus?

    <p>4-4.5</p> Signup and view all the answers

    Which of the following is a Gram +ve cocci in chains?

    <p>Streptococcus pyogenes</p> Signup and view all the answers

    What is the most common cause of community-acquired pneumonia?

    <p>S.pneumoniae</p> Signup and view all the answers

    Which of the following is NOT a normal mouth coloniser?

    <p>E coli</p> Signup and view all the answers

    What is the primary cause of bacterial conjunctivitis in children?

    <p>Haemophilus influenzae</p> Signup and view all the answers

    Which of the following is a complication of tonsillitis?

    <p>All of the above</p> Signup and view all the answers

    What is the term used to describe the systemic inflammatory response to an infection?

    <p>Sepsis</p> Signup and view all the answers

    What is the recommended treatment for impetigo?

    <p>Fusidic acid</p> Signup and view all the answers

    Which of the following is a common cause of Acute Exacerbation of COPD?

    <p>H.influenzae</p> Signup and view all the answers

    What is the Lancefield classification used for?

    <p>Identifying Beta haemolytic streptococci</p> Signup and view all the answers

    Which of the following is a symptom of orbital cellulitis?

    <p>Painful eye movements</p> Signup and view all the answers

    What is the recommended treatment for acute bacterial prostatitis?

    <p>Ciprofloxacin for 28 days</p> Signup and view all the answers

    Which of the following is a cause of viral conjunctivitis?

    <p>Adenovirus</p> Signup and view all the answers

    What is the recommended treatment for middle ear infections?

    <p>Amoxicillin</p> Signup and view all the answers

    Which of the following is a complication of UTI?

    <p>Acute bacterial prostatitis</p> Signup and view all the answers

    What is the recommended treatment for candida infection?

    <p>Clotrimazole pessary</p> Signup and view all the answers

    What is the recommended treatment for STIs?

    <p>Doxycycline</p> Signup and view all the answers

    What is the primary difference between colonisation and infection?

    <p>The presence of a microbe in the human body with an inflammatory response</p> Signup and view all the answers

    Which of the following bacteria is commonly associated with skin infections and is often referred to as MRSA?

    <p>S. aureus</p> Signup and view all the answers

    What is the primary function of Lactobacillus in the vaginal flora?

    <p>Producing lactic acid and hydrogen peroxide</p> Signup and view all the answers

    Which of the following bacteria is commonly associated with respiratory infections and is a common cause of community-acquired pneumonia?

    <p>S. pneumoniae</p> Signup and view all the answers

    What is the term used to describe the presence of viable bacteria in the blood and the systemic inflammatory response to an infection?

    <p>Bacteraemia and sepsis</p> Signup and view all the answers

    Which of the following bacteria is commonly associated with wound infections and is often referred to as a hospital-acquired infection?

    <p>S. aureus</p> Signup and view all the answers

    What is the primary characteristic of Group A streptococcus?

    <p>Catalase -ve haemolysis</p> Signup and view all the answers

    Which of the following is a common source of bacteria in the hospital setting?

    <p>All of the above</p> Signup and view all the answers

    What is the primary characteristic of normal vaginal flora?

    <p>Producing lactic acid and hydrogen peroxide</p> Signup and view all the answers

    Which of the following is a common cause of Acute Exacerbation of COPD?

    <p>H. influenzae</p> Signup and view all the answers

    What is the typical duration of a middle ear infection without antibiotics?

    <p>4 days</p> Signup and view all the answers

    What is the primary reason to refer a patient with a sore throat?

    <p>Difficulty breathing</p> Signup and view all the answers

    What is the typical antibiotic used to treat acute sinusitis in children?

    <p>Amoxicillin</p> Signup and view all the answers

    What is the primary cause of orbital cellulitis?

    <p>Paranasal sinus infection</p> Signup and view all the answers

    What is the primary treatment for bacterial conjunctivitis in children?

    <p>Topical antibiotics</p> Signup and view all the answers

    What is the primary complication of tonsillitis?

    <p>All of the above</p> Signup and view all the answers

    What is the primary antibiotic used to treat acute bacterial prostatitis?

    <p>Ciprofloxacin</p> Signup and view all the answers

    What is the primary cause of impetigo?

    <p>Staphylococcal infection</p> Signup and view all the answers

    What is the primary significance of a high vaginal swab in the diagnosis of STIs?

    <p>To diagnose Chlamydial infection</p> Signup and view all the answers

    What is the primary importance of writing prescriptions in ink?

    <p>To prevent forgery</p> Signup and view all the answers

    Which bacterial infection requires a high index of suspicion for immediate referral?

    <p>Sore throat with stridor and breathing difficulty</p> Signup and view all the answers

    What is the term used to describe the presence of microbes in the human body that causes inflammation?

    <p>Infection</p> Signup and view all the answers

    Which antibiotic is not recommended for children in the treatment of acute sinusitis?

    <p>Doxycycline</p> Signup and view all the answers

    Which of the following bacteria is commonly associated with respiratory infections and is a common cause of community-acquired pneumonia in the community?

    <p>S pneumoniae</p> Signup and view all the answers

    What is the primary difference between bacterial and viral conjunctivitis?

    <p>Systemic symptoms</p> Signup and view all the answers

    What is the normal pH of the vagina due to the presence of which microbe?

    <p>Lactobacillus</p> Signup and view all the answers

    Which infection is often associated with paranasal sinuses?

    <p>Orbital cellulitis</p> Signup and view all the answers

    Which of the following is a complication of urinary tract infections?

    <p>Sepsis</p> Signup and view all the answers

    What is the primary indication for antibiotics in the treatment of acute sinusitis?

    <p>Worsening of symptoms after 10 days</p> Signup and view all the answers

    Which of the following bacteria is commonly associated with skin infections and is often referred to as a hospital-acquired infection?

    <p>S aureus</p> Signup and view all the answers

    Which infection is a rare complication of UTI?

    <p>Acute bacterial prostatitis</p> Signup and view all the answers

    What is the primary characteristic of Group A streptococcus?

    <p>Gram +ve cocci in chains</p> Signup and view all the answers

    What is the primary treatment for fungal infections such as candida?

    <p>Fluconazole</p> Signup and view all the answers

    Which of the following is a common cause of Acute Exacerbation of COPD?

    <p>H influenzae</p> Signup and view all the answers

    Which infection is often associated with a high vaginal swab for culture?

    <p>STI</p> Signup and view all the answers

    What is the primary difference between colonisation and infection?

    <p>Inflammatory response</p> Signup and view all the answers

    What is the primary indication for prescription writing in ink?

    <p>Legal purposes</p> Signup and view all the answers

    Which of the following is a normal mouth coloniser?

    <p>S viridans</p> Signup and view all the answers

    Which infection is often associated with a cheesy white discharge?

    <p>Candida</p> Signup and view all the answers

    What is the primary importance of Lactobacillus in the vaginal flora?

    <p>Production of lactic acid and hydrogen peroxide</p> Signup and view all the answers

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