This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
Rhinitis most common bacterial cause - 
Select and explain. 
A. Haemophilus influenza, B. Streptococcus haemolyticus, C. Pasturellamultocida, D. Comybacterium diphtheria
A: Haemophilus influenza
Answer: A: Haemophilus influenza 
Explanation: Ans. is 'a' i.e., Haemophilus influenza o Acute bacterial rhinitis is most commonly seen among children, but adult may develop the condition after nasal trauma, viral upper respiratory tract infection, or surgery,o The clinical presentation of acute bacterial rhinitis may be identical to that of common cold,o Most common causative organisms include S. pneumoniae, H. influenzae and Moraxella Catarrhalis.o Note: Overall, most common cause of infective rhinitis is viral infection (viral rhinitis).