T Iron, Vitamin B12, and Folica Acid
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Questions and Answers

What is the primary source of heme lost during degradation?

  • Erythrocytes (correct)
  • Alcohol abuse disorder patients
  • Hepatic P450
  • Green leafy vegetables
  • Which organ is responsible for the excretion of bilirubin diglucuronide into the bile?

  • Spleen
  • Liver (correct)
  • Pancreas
  • Kidneys
  • What is the normal level of bilirubin in serum?

  • 2-17 micromolar (correct)
  • 40-60 micromolar
  • 80-100 micromolar
  • 5-10 micromolar
  • What is the most common source of vitamin B9 (folate)?

    <p>Green leafy vegetables</p> Signup and view all the answers

    What are the symptoms of a mild or borderline folate deficiency?

    <p>Loss of appetite and weight loss</p> Signup and view all the answers

    Which enzyme uses B12 as a cofactor in the synthesis of methionine from homocysteine?

    <p>Methionine synthase</p> Signup and view all the answers

    What is the role of 5,10-methylene THF in the body?

    <p>Act as a single methyl group donor</p> Signup and view all the answers

    What hypothesis explains the similarity in signs and symptoms of B12 and folate deficiency?

    <p>5-Methyl-THF trap hypothesis</p> Signup and view all the answers

    What is the function of formimino-glutamate (FIGLU) in the body?

    <p>Breakdown product of histidine</p> Signup and view all the answers

    "Megaloblasts" are oversized RBC precursors found in which part of the body?

    <p>Bone marrow</p> Signup and view all the answers

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