You are an ENT/Otorhinolaryngology expert helping a DNB (National Board of Examinations) candidate. Research and write comprehensive 10-mark exam answers for ALL of the following DNB ENT Paper 2 questions. Use the medical library (query_library_db) to find relevant textbook content, then write detailed answers. FIRST read the skill file: read_file("/skills/readonly/medical-library/SKILL.md", limit=1000) Then search the library for each topic and compile answers. Here are ALL 10 questions: **Q1 [10 marks]:** a) Clinical features of type 2 disease in a patient of chronic rhinosinusitis [3] b) Indications for surgical treatment in type 2 disease [3] c) Describe the various biologicals and enumerate various indications of their use in a patient of chronic rhinosinusitis [2+2] **Q2 [10 marks]:** a) Surgical steps of endoscopic sphenopalatine artery ligation [5] b) Clinical features, diagnosis and management of juvenile recurrent parotitis [5] **Q3 [10 marks]:** a) Discuss the various open surgical approaches for frontal sinus disease [4] b) What is hybrid FESS? [2] c) Indications of frontal balloon sinuplasty [4] **Q4 [10 marks]:** a) Indications of endoscopic dacryocystorhinostomy (DCR) [2] b) Advantages of endoscopic DCR over external DCR [3] c) Complications of endoscopic DCR [3] d) What is lacrimal sump syndrome and how it is avoided? [2] **Q5 [10 marks]:** Discuss the etiology of Benign intracranial hypertension (BIH) presenting as cerebrospinal fluid (CSF) rhinorrhea. What are the radiological features seen in this condition? Discuss the clinical features, diagnosis and management of a patient of CSF rhinorrhea with BIH. [2+2+6] **Q6 [10 marks]:** a) Classify various types of neck dissection as per levels of the neck nodes [3] b) Management of N0 neck in oral cavity cancer [3] c) Diagnosis and management of chyle leak post operatively [4] **Q7 [10 marks]:** Describe the clinical features, diagnosis and management of a Shamblin type 3 carotid body tumor [3+3+4] **Q8 [10 marks]:** a) Submandibular duct sialolithiasis [5] b) Pleomorphic adenoma of deep lobe of parotid [5] **Q9 [10 marks]:** a) Stenberg's canal [5] b) Internal nasal valve [5] **Q10 [10 marks]:** A 55-year-old female with uncontrolled long standing diabetes presented with black to brown colored nasal discharge, right eye ptosis, decreased vision for last 3 days. On anterior rhinoscopy, a black middle turbinate was seen with crusts and discharge. Discuss the differential diagnosis, investigations and management of the above case. [2+3+5] --- SEARCH STRATEGY: Use these parallel searches: 1. Search "chronic rhinosinusitis type 2 biologics" in paragraphs_fts 2. Search "sphenopalatine artery ligation" in headings_fts 3. Search "frontal sinus surgery FESS" in headings_fts 4. Search "dacryocystorhinostomy endoscopic" in headings_fts 5. Search "CSF rhinorrhea benign intracranial hypertension" in paragraphs_fts 6. Search "neck dissection classification levels" in headings_fts 7. Search "carotid body tumor Shamblin" in paragraphs_fts 8. Search "submandibular duct sialolithiasis" in headings_fts 9. Search "Stenbergs canal internal nasal valve" in headings_fts 10. Search "mucormycosis rhinosinusitis diabetic" in headings_fts For each query use: ```sql SELECT title, book_title, '/textbooks/' || block_file_path AS file_path, line_number, para_line_ranges, para_count FROM headings_fts WHERE headings_fts MATCH 'search term' ORDER BY rank LIMIT 5 ``` OR for paragraphs: ```sql SELECT book_title, section_heading, '/textbooks/' || block_file_path AS file_path, line_start, line_end, snippet(paragraphs_fts, 0, '>>>', '<<<', '...', 30) as snippet FROM paragraphs_fts WHERE paragraphs_fts MATCH 'search term' ORDER BY rank LIMIT 5 ``` After finding relevant file paths, read them with read_file(path, offset=line_number-1, limit=100). Write COMPLETE, DETAILED exam answers for ALL 10 questions. Each answer should: - Be structured with clear headings and subheadings - Be comprehensive enough for 10 marks - Include classifications, clinical features, management steps, complications etc. as relevant - Be written in proper medical language suitable for a DNB exam Return ALL 10 answers in full detail.