Which procedure would require 4 mm or 5 mm, 0, or angled lenses and a navigation system for intraoperative guidance?
a. Caldwell-Luc
b. FESS
c. radical neck dissection
d. SMR
Question 2
Which of the paranasal sinuses are MOST superior and can be singular or divided?
a. ethmoid
b. frontal
c. maxillary
d. sphenoid