Nutrients in Bone Health Part 2 Flashcards Preview

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Flashcards in Nutrients in Bone Health Part 2 Deck (56)
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1

What is a water-based fluid that moves through circulatory system?

Blood

2

What does blood transport to every cell?

Nutrients

3

What does blood pick up for excretion out of the body?

Cellular waste

4

What are the 3 roles of blood?

1. Transports nutrients to every cell in the body
2. Picks up cellular waste for excretion out of the body
3. Transports signaling molecules

5

What are the 3 main cell types found in blood?

1. Red blood cells
2. White blood cells
3. Platelets

6

What are cell particulates that aid in blood clotting?

Platelets

7

What are white blood cells?

Immune cells

8

What is another name for red blood cells?

Erythrocytes

9

Where in the body are the various cells of the blood made?

The bone marrow

10

Which type of cell serves as a precursor to blood cells?

Bone marrow stem cells

11

Do stem cells have the potential to develop into any type of cell?

Yes

12

What is the primary function of red blood cells?

Carrying oxygen from the lungs to the tissues

13

What is the secondary function of red blood cells?

Carrying carbon dioxide from the tissues to the lungs

14

What is the main protein found in RBCs?

Hemoglobin

15

Why is the hemoglobin protein important for the function of the RBC?

It's responsible for carrying oxygen and carbon dioxide

16

What 2 main processes that must happen in order to make new RBCs?

1. Hemoglobin must be produced
2. The cells need to divide rapidly

17

Which vitamins and minerals are important for hemoglobin production?

Iron and Vitamin B6

18

What is very important for rapidly dividing cells?

DNA synthesis

19

What cycle produces nucleotides necessary for DNA synthesis?

Folate cycle

20

Which vitamins are important in the folate cycle?

Vitamin B12 and Riboflavin

21

Do healthy red blood cells have a normal size and normal color?

Yes

22

What abnormally sized/colored RBCs indicate?

Different types of anemia

23

Is it easy for us to get rid of excess iron?

No

24

What is the role of copper in iron transport in the body?

It's a cofactor in 3 different enzymes

25

What types of food is heme iron found in?

Animal food

26

What percentage of non-heme iron is absorbed?

3-10%

27

What percentage of heme iron is absorbed?

20-40%

28

Why is it hard to get rid of excess iron?

It's not excreted through urination

29

What is a genetic disease that increases iron absorption?

Hemochromatosis

30

What is the inadequate number or function of red blood cells in the body?

Anemia