This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nasolacrimal Disorders, Subject name: Ophthalmology
Injury to which of the following structure can cause damage to lacrimal secretion:- 
Select and explain. 
A. Ciliary ganglion, B. Pterygopalatine ganglion, C. Optic nerve, D. Oculomotor nerve
B: Pterygopalatine ganglion
Answer: B: Pterygopalatine ganglion 
Explanation: Damage to Pterygopalatine ganglion can cause damage to lacrimal secretion Nerve Supply of Lacrimal Gland Sensory Supply: lacrimal nerve Sympathetic supply: Carotid plexus of cervical sympathetic chain Secretomotor fibres: Salivary nucleus -----> greater petrosal nerve ----> synapse at pterygopalatine ganglion ----> zygomatic nerve ----> lacrimal nerve-----> lacrimal gland