This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
In allergic pharyngitis, granularity in posterior pharynx is due to 
Select and explain. 
A. Hyperplasia of mucous membrane, B. Hyperplasia of sebaceous glands, C. Hyperplasia of submucosal lymphoid tissue, D. Inspissated mucous
C: Hyperplasia of submucosal lymphoid tissue
Answer: C: Hyperplasia of submucosal lymphoid tissue 
Explanation: Pharyngeal signs include granular pharyngitis due to hyperplasia of submucosal lymphoid tissue. A child with perennial allergic rhinitis may show all the features of prolonged mouth breathing as seen in adenoid hyperplasia. Ref: Dhingra 7e pg 188.