This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Surgery
Frey's syndrome occurs due to aberrant misdirection of fibers from salivary glands to sweat glands. These fibers come from which of the following? 
Select and explain. 
A. Facial nerve, B. Trigeminal nerve, C. Auriculotemporal nerve, D. GlossoPharyngeal nerve
C: Auriculotemporal nerve
Answer: C: Auriculotemporal nerve 
Explanation: FREY'S SYNDROME- aka Auriculotemporal syndrome / Gustatory sweating- Injury of Auriculotemporal nerve - Causes aberrant cross innervation | Parasympathetic secretomotor fibers & Sympathetic fibers supply sweat glandsClinical features- On tasting food or Smell of food - causes Autonomic stimulation | Leads to Sweating & erythema at parotid regionDiagnosis- Minor' starch iodine testManagement- Anti-perspirant application- Botox injection- Tympanic neurectomy - for non-responding cases