True about Total Goitre Rate (TGR) is:
(A) It is an indicator of iron deficiency in the community (B) Community survey of TGR does not require doctors in the team (C) Goitres are classified as not visible, palpable and visible (D) Goitres are classified as not visible, palpable and visible
(D) Ans: D. Goitres are classified as not visible, palpable and visible(Ref: Ghai 8Ie p519)The term 'endemic goitre' refers to a total goitre rate of >5 percent in a given community.Total goitre rate is an indicator of iodine deficiency, which causes brain damage and mental retardation.Endemic goiter is present when the prevalence of goiter in a defined population exceeds 5%.Endemic goiter is graded by the method of WHO.Screening estimates of iodine intake are usually derived from 24-hr urinary excretion values or urinary iodine concentration expressed in relation to creatinine concentration.