<prompt> Thiamine deficiency is known to occur in all of the following except:Food FaddistHomocystinemiaChronic alcoholicChronic hea failure patient on diuretics  <response>: Answer is B Homocystinemia: All options other than homocyctinemia have been clearly mentioned as causes of thiamine deficiency. Causes of thiamine deficiency -Harrison Malnutrition Dietry habits paicularly in the far-east where polished rice e deficient in thiamine is the major dietry component. Alcoholics and food faddists c:In western nations the wide spread use of thiamine enriched flour limits the presence of cleliciency primarily to alcoholic andPod faddists - Harrison 15th 14th Chronic hea failure : The measurement of thiamine pyrophosphate effect can biochemically quantitate thiamine stores. An elevated TPPE indicative of thiamine deficiency has been found in 20 to 90 of patients with chronic hea failure. The deficiency appears to result from both, reduced dietry intake and a diuretic induced increase in urinary excretion of thiamine - Harrison 