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: ENT
[{'content': 'Which of the following is false regarding frontal sinusitis ? \nSelect and explain. \nA. Pain shows periodicity, B. Most common sinus involved in infants and children, C. Pain is referred to as office headache, D. Tenderness is present just above the medial canthus of eye', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Most common sinus involved in infants and children Most common sinus involved in infant and children is Ethmoid sinus. Clinical features of acute sinusitis Most common presenting patient's compliant is persistent nasal discharge which can be of any quality (thin, thick, clear, or purulent). Nasal discharge from a sinus infection can be blood - tinged from excessive nose blowing and irritation. The clinical symptoms of acute sinusitis have been classified into major and minor.", 'role': 'assistant'}]