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 11 month old child presents with complaints of respiratory distress. On examination there is bilateral crepitation and wheezing. Which of the following is the most likely cause - 
Select and explain. 
A. Pneumonia, B. Adenovirus, C. Respiratory synchytial virus, D. Rhinovirus
C: Respiratory synchytial virus
Answer: C: Respiratory synchytial virus 
Explanation: Ans. is 'c' i.e., Respiratory synchytial virus o The child presenting with respiratory distress and bilateral crepitations and wheezing, we have to suspect brochiolitis.