This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
All the following signs could result from infection with the right cavernous sinus except 
Select and explain. 
A. Loss ofpupillary light reflex, B. Loss of corneal blink reflex, C. Ptosis, D. Right ophthalmoplegia
C: Ptosis
Answer: C: Ptosis 
Explanation: Ptosis should be a feature as there is third nerve palsy. But due to proptosis ptosis is not appreciated Refer khurana 6/e 379