Pale and boggy nasal mucous membranes are common symptoms in children who have:

Rationale: A. A foreign object in the nostril typically causes unilateral nasal discharge, often foul-smelling, but not pale and boggy mucous membranes. B. Sinusitis usually presents with nasal congestion, purulent discharge, and facial pain or pressure; the mucosa is often erythematous rather than pale and boggy. C. Chronic allergic rhinitis commonly causes pale, boggy, and edematous nasal mucous membranes due to chronic inflammation and allergic response. Other associated symptoms include sneezing, nasal itching, and clear rhinorrhea. D. Acute bronchiolitis primarily affects the lower respiratory tract and presents with wheezing, cough, and respiratory distress, not pale and boggy nasal mucosa.