<prompt> All of the following are true for occupational lead poisoning except -Inhalation is the most common mode of absorptionLead in blood and urine provide quantitative indicators of exposureAverage blood is more impoant than number of subjects with blood levels above thresholdBasophilic stippling is a sensitive parameter of hematological response  <response>: Lead poisoning occurs as inhalation and ingestion.Measuremwnts of lead in blood and urine provide quantitative indicators of exposure.Lead in urine of over 0.8mglitre indicates lead exposure.A blood level of 70microgram100 ml is associated with clinical symptoms.Basophilic stipling of RBC is a .sensitive parameter of the haematological response.Ref.PARKS textbook of preventive and social medicine 21st edition page no.748,749 