<prompt> Sputum positive patient who should be quarantined:Pregnant womenOld peopleChildren above 6 yearsChildren below 6 years  <response>: Ans. d Children below 6 yearsRef: K. Park 23rd ed. 182-84 About national TB program, if a person is smear positive for TB: All the family who is in close contact with the patient is given prophylaxis Children under age 6 is given prophylaxisNote: Indias Revised National Tuberculosis Control Programme RNTCP recommends screening of all household contacts of smear-positive pulmonary tuberculosis PTB cases for tuberculosis TB disease, and 6-month isoniazid preventive therapy IPT for asymptomatic children aged 6 years. 