Q. Which of the following combinations is correct regarding the paranasal sinuses and where they drain to? (Solved)
1. Maxillary sinus; middle meatus
2. Anterior ethmoidal air cells; inferior meatus
3. Posterior ethmoidal air cells; oral cavity
4. Sphenoid sinus; frontonasal recess
5. Frontal sinus; lacrimal duct
- a. Maxillary sinus; middle meatus