Anatomy With regard to paranasal sinuses, true is A The maxillary sinus of the newborn is relatively large compared to that of the adult B The mucous membrane of the maxillary sinus and the upper premolar teeth have the same nerve supply C The frontal, spheroidal, maxillary and anterior ethmoidal sinuses drain into the middle meatus D The spheroidal sinuses are supplied by anterior ethmoidal nerves 💡 Explanation With regard to paranasal sinuses, true is ✓ Correct Answer: B. The mucous membrane of the maxillary sinus and the upper premolar teeth have the same nerve supply