This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other Respiratory Disorders, Subject name: Pediatrics
Inhalation method preferred for Bronchial asthma in a child of 3 years old is:- 
Select and explain. 
A. MDI with spacer with face mask, B. MDI with spacer preferred, C. Only MDI directly, D. Rotacap
A: MDI with spacer with face mask
Answer: A: MDI with spacer with face mask 
Explanation: Inhalation method should be chosen on individual basis, but a guideline is as follows:- Children < 4 years old: - MDI with spacer with face mask Children > 4 years old:- MDI with spacer preferred Children > 12 years old: MDI used directly. use of spacer improves drug deposition.