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 (D)</p> Signup and view all the answers

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

<p>Haemophilus influenza (D)</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+ (A)</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 (B)</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 (D)</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 (D)</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. (B)</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 (B)</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 (C)</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 (C)</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 (B)</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 (A)</p> Signup and view all the answers

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