1q: which of the following are draining channels of cavernous sinus ?
a. inferior petrosal sinus
b. inferior ophthalmic vein
c. sphenoparietal sinus
d. middle cerebral vein
e. superior ophthalmic vein
answer a , e . inferior petrosal sinus drains into internal jugular vein and superior ophthalmic vein drains into facial vein
2q: Recurrent laryngeal nerve has the following course in