A drug is to be delivered by a nebuliser. The size of a droplet for its humidification is :
Answer is A (< 5 m): 'Paicles of size < 2.5 mm can he carried to the lower airways. 'Paicles with size above 10-15 mm in diameter, because of their settling velocities in air, do not penetrate beyond the upper airways' 'Paicle of size 2.5-10 mm deposit relatively high in the tracheobronchial tree.' 'Paicles of size < 2.5 mm can be carried to the lower airways.'
< 5m
10-May
15-Oct
15-20