Which toxic substance causes aplastic anemia and leukemia? Group of answer choicesDioxinsBenzeneRadonMercury

What form of anemia is caused by destruction of bone marrow?Multiple ChoiceIron deficiency anemiaPernicious anemiaHemolytic anemiaAplastic anemia

Which of the following toxic substances does not cause lung cancer? Group of answer choicesAsbestosDioxinsCadmiumRadon

pernicious anemia.

Which two toxic substances are known to cause chloracne? Group of answer choicesCadmium and AsbestosLead and MercuryBenzene and RadonDioxins and PCB’s

Which of the following diseases is caused by the deficiency of cyanocobalamine?Select an answerAScurvyBRicketsCPellagraDPernicious anaemia