<prompt> The sputum examination under DTP is done when the patient present with a Cough of 12 wks durationb Persistent cough of 12 wks durationc Hemoptysisd Chest paine Intermittent feverabbcbdcd  <response>: Sputum exam. done under DTP if :Persistent cough of about 3-4 weeks duration.Continuous feverChest painHaemoptysisUnexplained weight lossReduced appetite 