This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy, Head and Neck, Subject name: Anatomy
The structure damaged in the given condition is responsible for all except: 
Select and explain. 
A. Taste sensation of ant 2/3rd tongue, B. Lacrimal gland secretion, C. Parotid gland secretion, D. Platysma contraction
C: Parotid gland secretion
Answer: C: Parotid gland secretion 
Explanation: The condition given here is Bell's palsy i.e. LMN (lower motor neuron) lesion of Facial nerve . In this the ipsilateral half of the face is affected. The facial nerve emerges from the pons of the brainstem, controls: Muscles of facial expression, and Carries taste sensations from the anterior two-third of the tongue (chorda tympani branch of facial nerve) Supply lacrimal, nasal and palatal glands secretions greater petrosal nerve. Glossopharyngeal nerve supplies parasympathetic fibers to the parotid gland the otic ganglion and cause parotid gland secretion.