Paranasal Sinus Anatomy
- Previous year questions on Paranasal Sinus Anatomy for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the ENT section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 14 live questions in Paranasal Sinus Anatomy.
- 4 of 14 questions carry a verified exam year: 2017, 2018, 2019.
- ENT is worth about 10 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 19 Aug 2026.
Q1.Posterior ethmoidal sinus drains into
- ASpheno-ethmoidal recess
- BSuperior meatus✓ Correct answer
- CMiddle meatus
- DInferior meatus
Q2.Paranasal sinuses are lined by____ epithelium:
- ACiliated columnar✓ Correct answer
- BColumnar
- CCuboidal
- DSquamous
Q3.Type of sphenoid sinus in the adult population is usually
- ASellar✓ Correct answer
- BPost sellar
- CPre sellar
- DMaximal Pneumatization
Q4.Optic nerve injury following sinus surgery is due to removal of which ethmoidal cells?
- AHaller
- BAgger nasi
- COnodi cells✓ Correct answer
- DBullae cells
Q5.Most prominent and larger air cell of ethmoidal sinus?
- AAgger nasi cell
- BHaller cell
- COnodi cell
- DBulla ethmoidalis✓ Correct answer
Q6.First paranasal sinus to develop at birth is:
- AMaxillary✓ Correct answer
- BEthmoidal
- CFrontal
- DSphenoidal
Q7.Onodi cells and Haller cells are seen in relation to following respectively -
- AOptic nerve and floor of the orbit✓ Correct answer
- BOptic nerve and internal carotid artery
- COptic nerve and nasolacrimal duct
- DOrbital floor and nasolacrimal duct
Q8.Which of the following sinus grows till early adulthood:-
- AMaxillary
- BEthmoidal
- CFrontal✓ Correct answer
- DSphenoid
Q9.The maxillary sinus drains into the
- AMiddle meatus✓ Correct answer
- BInferior meatus
- CSuperior meatus
- DSphenoethmoidal recess
Q10.Sphenoidal air sinus is supplied by which nerve:
- APosterior ethmoidal✓ Correct answer
- BPosterior superior
- CSphenoidal
- DInfratemporal
Answer key
Q1: B. Superior meatus; Q2: A. Ciliated columnar; Q3: A. Sellar; Q4: C. Onodi cells; Q5: D. Bulla ethmoidalis; Q6: A. Maxillary; Q7: A. Optic nerve and floor of the orbit; Q8: C. Frontal; Q9: A. Middle meatus; Q10: A. Posterior ethmoidal.
Other topics in ENT
- Ear Embryology and Congenital Malformations
- External Ear Anatomy
- Middle Ear Anatomy
- Mastoid Anatomy
- Inner Ear Anatomy
- External Ear Disease
- Middle Ear Disease
- CSOM Types and Cholesteatoma
- CSOM: Management and Complications
- Otosclerosis
- Meniere's Disease
- Vertigo and Vestibular Disorders
- Tumours of the Ear
- Facial Nerve Anatomy
- Facial Nerve Palsy and Related Disorders
- Eustachian Tube
- Hearing Physiology and Tuning Fork Tests
- Audiometry and Special Hearing Tests
- Deafness and Hearing Rehabilitation
- Nasal Anatomy
- Nasal and Sinus Physiology
- Epistaxis
- Congenital and Acquired Nasal Disorders
- Rhinitis
- Nasal Septal Disorders and Polyposis
- Nasal and Facial Injuries
- Tumours of the Nose and PNS
- Sinusitis and Related Complications
- Pharyngeal Anatomy and Physiology
- Adenoids
- Tonsils
- Pharyngeal Abscesses
- Nasopharyngeal Angiofibroma
- Nasopharyngeal Carcinoma
- Laryngeal Anatomy and Physiology
- Stridor and Congenital Laryngeal Anomalies
- Disorders of Voice and Speech
- Laryngeal Carcinoma
- Tracheostomy and Foreign Bodies of the Air and Food Passages
- ENT Instruments