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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?

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

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

Cyanosis and dyspnea (A) Signup and view all the answers

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

Axial CT scans (A) Signup and view all the answers

What is the main cause of allergic rhinitis?

Exposure to indoor allergens (B) Signup and view all the answers

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

Type I hypersensitivity (B) Signup and view all the answers

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

Exposure to outdoor allergens (D) Signup and view all the answers

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

Diabetes (B) Signup and view all the answers

What is the MAIN clinical feature of allergic rhinitis?

Nasal congestion (B) Signup and view all the answers

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

Diabetes (C) Signup and view all the answers

What is the primary cause of acute rhinosinusitis?

Viral infection (A) Signup and view all the answers

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

Influenza virus (C) Signup and view all the answers

What is the duration of chronic rhinosinusitis?

More than 12 weeks (C) Signup and view all the answers

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

Paranasal sinus ventilation disorders (D) Signup and view all the answers

What is the primary pathophysiological mechanism behind rhinosinusitis?

Sinus ostial obstruction due to mucosal edema (C) 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?

Recurrent acute rhinosinusitis (C) Signup and view all the answers