CH 8 Iron BASICS

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Last updated 11:14 PM on 10/3/26
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13 Terms

1
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Where is 70% of the body’s iron STORED?

In the HEMOGLOBIN in RBCs

2
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Where is the other 20% of the body’s iron STORED?

Within MACROPHAGES and Hepatocytes in the SPLEEN and BONE MARROW

3
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Where is the remaining 10% of the body’s iron STORED?

Muscles, plasma, cytochrome of cells, IRON CONTANING ENZYME

Distributed in the body

4
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What are the 3 compartments which Iron is distributed in?

  1. Functional

  2. Storage

  3. Transport


5
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What are the 2 different forms seen in the FUNCTIONAL Compartment?

  1. Hemoglobin

  2. Enzymes


6
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What are the 2 forms seen in the STORAGE Compartment?

  1. Ferritin

  2. Hemosiderin - Is a partially degraded form of FERRITIN


7
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Which is the partially degraded form of ferritin?

Hemosiderin

8
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What is the MAIN form seen in the TRANSPORT Compartment?

Transferrin

9
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What is the FERROUS state of IRON?

Fe2+

10
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What is the FERRIC state of IRON?

Fe3+

11
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Which reaction is responsible for producing FREE RADICALS (OH)

REDOX reaction

Ferrous (Fe2+) → Ferric (Fe3+) reaction

12
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Why is iron important in the body?

ENERGY in cells

13
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Does the body have an active way to remove excess iron?

The body LACKS a way to remove Iron

It’s either stored or used