Causes of Anaemia: Nutritional and Biological Aspects

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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?

Protein energy malnutrition Signup and view all the answers

Which pair of vitamins depend on each other for activation?

Vitamin B9 and Vitamin B12 Signup and view all the answers

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

Large immature red blood cells Signup and view all the answers

What are some other important micronutrients mentioned in the text?

Vitamin E and Vitamin C Signup and view all the answers

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

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

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

Haemoglobin Signup and view all the answers

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

15 mg Signup and view all the answers

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

Haem iron Signup and view all the answers

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

Iron status and inflammation Signup and view all the answers

What are the three mechanisms that regulate iron absorption?

Dietary regulator, Store regulator, Immune regulator Signup and view all the answers

What are the physiological factors that control iron absorption?

Iron in intestinal mucosa, Body iron stores Signup and view all the answers

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

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

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

Haem and Non-haem Signup and view all the answers

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

Mucosal ferritin, Mucosal transferrin, Blood transferrin Signup and view all the answers

什么是导致贫血的一种重要营养因素?

铁 Signup and view all the answers

在70公斤男性体内，铁的主要形式是什么?

非血红素铁 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?

维生素B2 Signup and view all the answers

哪种营养不足直接与贫血相关?

蛋白能量营养不良 Signup and view all the answers

下列哪两种维生素相互依赖以进行活化?

维生素B9和B12 Signup and view all the answers

以下哪种食物不是铁的主要来源？

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

以下哪种类型的铁更容易被机体吸收？

Fe2+（血红素铁） Signup and view all the answers

哪两种重要因素在缺铁性贫血中起着作用？

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

下列哪种食物不是铁的主要来源？

菠菜和核桃 Signup and view all the answers

以下哪种因素对机体内铁水平的影响最小？

食物来源：动物 vs 植物 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？

氧化还原铁和贮存铁中 Signup and view all the answers

以下哪种为控制肠道内铁吸收的生理因素？

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