Causes of Anaemia: Nutritional and Biological Aspects
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Questions and Answers

What is the emphasis of the lecture?

  • Overview of various causes of anemia
  • Nutritional aspects of anemia (correct)
  • Mechanisms leading to nutrition and infection related anemia
  • Factors influencing bioavailability of nutrients for red blood cell synthesis

    • Which factor is not mentioned as a contributor to anemia?

  • High levels of retinol in plasma (correct)
  • Erythrocyte loss/Blood Loss
  • Impaired synthesis of cells
  • Interference by Disease (Inflammation, Renal disease)

    • Which nutrient is not highlighted as important for red blood cell synthesis and integrity?

  • Vitamin B6
  • Iron
  • Vitamin C (correct)
  • Protein

    • Which type of malnutrition is directly associated with anemia?

    <p>Protein energy malnutrition</p> Signup and view all the answers

    Which pair of vitamins depend on each other for activation?

    <p>Vitamin B9 and Vitamin B12</p> Signup and view all the answers

    What are the blood symptoms of deficiency for vitamins B9 and B12?

    <p>Large immature red blood cells</p> Signup and view all the answers

    What are some other important micronutrients mentioned in the text?

    <p>Vitamin E and Vitamin C</p> Signup and view all the answers

    Which type of anaemia is associated with vitamins B9 and B12 deficiency?

    <p>Macrocytic, normo/hypochromic megaloblastic anaemia</p> Signup and view all the answers

    What is the predominant form of iron in a 70 Kg man's body?

    <p>Haemoglobin</p> Signup and view all the answers

    What is the recommended daily intake of iron for women during childbearing age?

    <p>15 mg</p> Signup and view all the answers

    Which type of dietary iron is more bioavailable, haem or non-haem?

    <p>Haem iron</p> Signup and view all the answers

    What are the two important factors that play a role in iron deficiency associated anaemia?

    <p>Iron status and inflammation</p> Signup and view all the answers

    What are the three mechanisms that regulate iron absorption?

    <p>Dietary regulator, Store regulator, Immune regulator</p> Signup and view all the answers

    What are the physiological factors that control iron absorption?

    <p>Iron in intestinal mucosa, Body iron stores</p> Signup and view all the answers

    What influences the levels of iron in the body after ingestion?

    <p>Dietary sources, absorption factors, metabolic need, exposure to infection/inflammation</p> Signup and view all the answers

    What are the two forms of dietary iron mentioned in the text?

    <p>Haem and Non-haem</p> Signup and view all the answers

    What special proteins are involved in the absorption of iron from food?

    <p>Mucosal ferritin, Mucosal transferrin, Blood transferrin</p> Signup and view all the answers

    什么是导致贫血的一种重要营养因素?

    <p>铁</p> Signup and view all the answers

    在70公斤男性体内，铁的主要形式是什么?

    <p>非血红素铁</p> Signup and view all the answers

    下列哪种维生素并未被强调对红细胞合成和完整性至关重要?

    <p>维生素B2</p> Signup and view all the answers

    哪种营养不足直接与贫血相关?

    <p>蛋白能量营养不良</p> Signup and view all the answers

    下列哪两种维生素相互依赖以进行活化?

    <p>维生素B9和B12</p> Signup and view all the answers

    以下哪种食物不是铁的主要来源？

    <p>全谷物、富含纤维的面包和谷类</p> Signup and view all the answers

    以下哪种类型的铁更容易被机体吸收？

    <p>Fe2+（血红素铁）</p> Signup and view all the answers

    哪两种重要因素在缺铁性贫血中起着作用？

    <p>铁的摄入量和生物利用率</p> Signup and view all the answers

    下列哪种食物不是铁的主要来源？

    <p>菠菜和核桃</p> Signup and view all the answers

    以下哪种因素对机体内铁水平的影响最小？

    <p>食物来源：动物 vs 植物</p> Signup and view all the answers

    在70公斤体重的男性身体中，剩余的铁主要以什么形式存在？

    <p>氧化还原铁和贮存铁中</p> Signup and view all the answers

    以下哪种为控制肠道内铁吸收的生理因素？

    <p>'特殊蛋白' - 黏膜铁蛋白、黏膜转运蛋白、血液转运蛋白</p> Signup and view all the answers

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