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: Pathology
Which of the following structures are associated with Bell's palsy? 
Select and explain. 
A. Submandibular gland, B. Seventh cranial nerve, C. Temporomandibular joint, D. Glossopharyngeal nerve
B: Seventh cranial nerve
Answer: B: Seventh cranial nerve 
Explanation: Bell's Palsy (Seventh Nerve Paralysis, Facial Paralysis) 
Bell's palsy is one of the most common neurologic disorders affecting the cranial nerves. It is an abrupt, isolated, unilateral, peripheral facial nerve paralysis without detectable causes. It is a disturbance of Seventh Cranial Nerve. 
Recurrent attacks of facial paralysis identical with bell's palsy, non-pitting, non-inﬂammatory painless edema of face, cheilitis granulomatosa, and ﬁssured tongue or lingua plicata are features of  Melkersson-Rosenthal syndrome.
Reference: Shafer’s Textbook of ORAL PATHOLOGY Eighth Edition page no 576