This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
Ptosis results from trauma to which nerve- 
Select and explain. 
A. VII, B. VIII, C. III, D. VI
C: III
Answer: C: III 
Explanation: *Ptosis is due to occulomotor nerve paralysis. Ref: Principles of ophthalmology 4th/e p.1107