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: Pediatrics
A month old HIV positive child following URTI developed sudden onset of breathlessness. The chest x-ray shows hyperinflation. The O2 saturation was greater than 90%. The treatment of choice is – 
Select and explain. 
A. Cotrimoxazole, B. Ribavarin, C. IV Ganciclovir, D. Nebulized Acyclovir
B: Ribavarin
Answer: B: Ribavarin 
Explanation: The child with HIV is suffering from Bronchiolitis.
Antibiotics are not usually used in the treatment of bronchiolitis who are previously healthy but Ribavarin shortens the duration of treatment in a patient who has → Immunodeficiency, Congenital heart disease, Chronic lung disease
The child in the question is having immunodeficiency due to, HIV infection. Therefore Ribavirin should be used in the treatment of this patient.