ENT (Nose) - Lecture 9: Sinusitis
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Questions and Answers

Which of the following is a common symptom of unilateral choanal atresia?

  • Bilateral mucous discharge
  • Endoscopic examination showing no signs of atresia
  • Passage of a soft catheter through the affected side
  • Airflow demonstrated by holding a mirror (correct)

What is the typical gender distribution for congenital choanal atresia?

  • Equal distribution between males and females
  • More common in males
  • Depends on the type of atresia
  • More common in females (correct)

Which type of atresia is more common in congenital choanal atresia?

  • Complete
  • Bilateral
  • Membranous
  • Unilateral (correct)

What is the incidence rate of congenital choanal atresia in live births?

<p>1 in 10,000 live births (D)</p> Signup and view all the answers

What is the main immediate concern for infants with bilateral choanal atresia?

<p>Cyanosis and dyspnea (A)</p> Signup and view all the answers

What imaging technique can be used to visualize the atretic plate in congenital choanal atresia?

<p>Axial CT scans (A)</p> Signup and view all the answers

What is the main cause of allergic rhinitis?

<p>Exposure to indoor allergens (B)</p> Signup and view all the answers

What type of hypersensitivity reaction is responsible for the development of allergic rhinitis?

<p>Type I hypersensitivity (B)</p> Signup and view all the answers

Which of the following is NOT a risk factor for developing allergic rhinitis?

<p>Exposure to outdoor allergens (D)</p> Signup and view all the answers

Which of the following conditions is NOT commonly associated with allergic rhinitis?

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

What is the MAIN clinical feature of allergic rhinitis?

<p>Nasal congestion (B)</p> Signup and view all the answers

Which of the following is NOT a common risk factor for the development of nasal polyps?

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

What is the primary cause of acute rhinosinusitis?

<p>Viral infection (A)</p> Signup and view all the answers

Which of the following is NOT a causative organism for rhinosinusitis?

<p>Influenza virus (C)</p> Signup and view all the answers

What is the duration of chronic rhinosinusitis?

<p>More than 12 weeks (C)</p> Signup and view all the answers

Which of the following is a local nasal factor that can contribute to rhinosinusitis?

<p>Paranasal sinus ventilation disorders (D)</p> Signup and view all the answers

What is the primary pathophysiological mechanism behind rhinosinusitis?

<p>Sinus ostial obstruction due to mucosal edema (C)</p> Signup and view all the answers

Which of the following types of rhinosinusitis is characterized by recurrent episodes throughout the year, with at least 8 weeks of resolution in between?

<p>Recurrent acute rhinosinusitis (C)</p> Signup and view all the answers

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