ENT Rhinology and Sinonasal Disorders 2

Question 1

During FESS, the landmark 'basal lamella' separates which two structures?

Accepted Answer

Anterior and posterior ethmoid sinuses

Answer

Ethmoid sinuses and the orbit

Answer

Maxillary sinus and the nasal cavity

Answer

Sphenoid sinus and the posterior ethmoid

Question 2

Which biologic agent targeting the IL-4/IL-13 receptor was FDA-approved for CRS with nasal polyps in adults?

Accepted Answer

Dupilumab

Answer

Omalizumab

Answer

Mepolizumab

Answer

Benralizumab

Question 3

A patient with CSF rhinorrhea after endoscopic skull base surgery most likely requires repair of a defect in which anatomic region?

Accepted Answer

Cribriform plate / fovea ethmoidalis

Answer

Lamina papyracea

Answer

Sphenoid sinus lateral recess

Answer

Posterior wall of the frontal sinus

Question 4

Inverted papilloma of the sinonasal tract is clinically significant primarily because of its association with:

Accepted Answer

Risk of malignant transformation to squamous cell carcinoma

Answer

High rate of spontaneous resolution

Answer

Bilateral symmetric involvement

Answer

Association with cystic fibrosis

Question 5

Turbinate hypertrophy causing nasal obstruction is most commonly treated conservatively with which agent class before considering surgical intervention?

Accepted Answer

Intranasal corticosteroids

Answer

Oral decongestants (pseudoephedrine)

Answer

Antihistamines alone

Answer

Leukotriene receptor antagonists

Question 6

Granulomatosis with polyangiitis (GPA, formerly Wegener's) classically affects the sinonasal tract and produces which characteristic finding?

Accepted Answer

Saddle-nose deformity from septal perforation

Answer

Bilateral nasal polyposis with eosinophilia

Answer

Unilateral maxillary sinus opacification

Answer

Septal hematoma

Question 7

Which nerve is most at risk of injury during endoscopic posterior septectomy or sphenopalatine artery ligation?

Accepted Answer

Vidian nerve (nerve of the pterygoid canal)

Answer

Greater palatine nerve

Answer

Nasociliary nerve

Answer

Anterior ethmoidal nerve