Size of paicle for aerosol therapy/respirable dust is?: (A) 0.5-1, (B) 5-Jan, (C) 10-May, (D) 15-Oct
Answer is B. Ans. is 'b' i.e., 1-5 o The two type of devices used for aerosol therapy are matered-dose inhalers and nebulizer. Both devices provide a range of paicle sizes that includes the desired 1-5 range.