Systemic Infections and Aggressive Conjunctivitis Quiz
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Questions and Answers

Which condition should prompt urgent referral for same-day assessment by an ophthalmologist?

  • Scleritis
  • Chemical injuries
  • Neonatal conjunctivitis
  • Corneal foreign body (correct)
  • What is the treatment recommendation for chemical injuries to the eye?

  • Application of dexamethasone ointment
  • Immediate administration of povidone iodide
  • Use of antibiotic eye drops
  • First rinse with 0.9% saline (correct)
  • In the context of bacterial conjunctivitis, what should be discussed with paediatrics or ophthalmology depending on clinical judgment?

  • Neonatal conjunctivitis (correct)
  • Trauma
  • Acute glaucoma
  • Anterior uveitis
  • What is the most common causative agent of bacterial conjunctivitis?

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

    Which pathogen is age and geography dependent in terms of causing bacterial conjunctivitis?

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

    What is the typical aggressiveness of fungal causative agents of conjunctivitis compared to bacterial agents?

    <p>G- &gt; G+</p> Signup and view all the answers

    Which microorganism colonizes around 35% of the general public and is often found in areas around the eye, responsible for eye infections?

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

    What do alterations in host defenses, number of epithelium, and haematologic immunity contribute to in cases of conjunctivitis?

    <p>Recruitment of neutrophils</p> Signup and view all the answers

    Which factor is responsible for the release of fatty acids, leading to inflammation in Staphylococcus aureus conjunctivitis?

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

    What is the major reason why most bacterial conjunctivitis cases do not require culture confirmation?

    <p>The diagnosis can be made through microscopic analysis.</p> Signup and view all the answers

    Which condition may require culture confirmation in cases of bacterial conjunctivitis?

    <p>Neonatal conjunctivitis from Chlamydia-infected mothers</p> Signup and view all the answers

    What type of conjunctivitis may require culture confirmation due to the risk of antibiotic resistance?

    <p>Recurrent corneal allograft recipients</p> Signup and view all the answers

    Which type of analysis is useful for diagnosing bacterial conjunctivitis based on cellular and community/aggregation morphology?

    <p>Gram stain</p> Signup and view all the answers

    Which condition is often missed by non–eye-care providers (those that don’t miss it: ophthalmologists & optometrists) in cases of conjunctivitis?

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

    Why are antibiotics often withheld in cases of acute conjunctivitis?

    <p>To promote self-resolution of the condition</p> Signup and view all the answers

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