<prompt> A child is having nocturnal asthmatic attacks 2 times in a week and day time attacks 3 times or more. This child is categorized to be havingMild persistent asthmaMild intermittent asthmaSevere persistent asthmaModerate persistent asthma  <response>: .intermittent :1 time a week ,asymptomatic,normal PEFR between attack,nocturnal attack less than or equal to 2 per month mild persistant :1 time a week but less than 1 time a day,noctunal attack2 month moderate persistant :daily use beta 2 agonist, attack affect activity,nocturnal attack1week severe persistant :continuous, limited physical activity,nocturnal attack frequent Ref : ESSENTIAL PEDIATRICS,O.P.GHAI,PG NO:363, 7th edition 