Blood- Iron

Question 1

Who is iron a public health concern among?

Answer 1

young children, women of childbearing age, pregnant women

Question 2

what is iron used for?

Answer 2

Oxygen, Immune Function, Cognitive dev, energy metabolism

Question 3

Sources of heme iron

Answer 3

organ meats, red meats, seafood, poultry

Question 4

sources of nonheme

Answer 4

plant products: beans, green leafy vegetables, raisin fortified foods: cereal, breads

Question 5

forms of iron

Answer 5

functional iron: hemoglobin, myoglobin, iron-containing enzymes
storage iron: ferritin
transport iron: transferritin

Question 6

Absorption

Answer 6

10-18 percent of iron we eat is stored
heme is better absorbed than nonheme
absorption is enhanced by vit c, citric acid, heme iron

Question 7

Regulation

Answer 7

Hepcidin

Question 8

Function of Iron

Answer 8

oxygen transport and metabolism: signal transduction, energy metabolism, enzyme shit

Question 9

RDA and UI Iron

Answer 9

Men: 8 Women 18, UL: 45

Question 10

Iron Deficiency levels

Answer 10

serum ferritin less than 12 ug/l
transferrin saturation is less than 16%
transferrin receptor is greater than 8.5 mg/l

Question 11

clinical symptoms of iron deficiency

Answer 11

glossitis, pale skin, spooning of nails, pica

Question 12

Anemia

Answer 12

decrease in the concentration of red blood cells or hemoglobin resulting in impaired oxygen transport
nearly 1/3 of global pop