This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Paralysis of upper eyelid is due to paralysis of: 
Select and explain. 
A. III, B. IV, C. V, D. VII
A: III
Answer: A: III 
Explanation: Nerve Supply of upper lid
The upper eyelid is supplied by the lacrimal, supraorbital,  supratrochlear and infratrochlear  nerves
from lateral to medial side. 
The lower  eyelid is supplied by the infraorbital and infratrochlear  nerves.
Ptosis or drooping of upper eyelid due to paralysis of voluntary  part of levator  palpebrae  superiorismuscle (supplied by occulomotor nerve).