Chapter 19

Question 1

List three functions of blood

Answer 1

1. Transportation (oxygen, nutrients, heat, wastes)
2. Regulation (pH, temperature)
3. Protection (clots, disease)

Question 2

List the different types of blood cells

Answer 2

1. Red blood cells (erythrocytes)
2. White blood cells (leukocytes)
3. Platelets

Question 3

Red blood cells (erythrocytes)

Answer 3

1. Transport oxygen from lungs to body cells

2. Deliver carbon dioxide from body cells to the lungs

Question 4

White blood cells (leukocytes)

Answer 4

Protect the body from invading pathogens and other foreign substances
5 kinds of WBCs:
1. Neutrophils
2. Basophils
3. Eosinophils
4. Monocytes
5. Lymphocytes (T cells, B cells, NK cells)

Question 5

Platelets

Answer 5

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Question 6

pH of blood

Answer 6

7.35-7.45

Question 7

Examples of plasma proteins made by liver

Answer 7

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Question 8

Approximate lifespans of RBCs, WBCs, and platelets

Answer 8

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Question 9

Immune system associated with what type of WBC

Answer 9

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Question 10

Definition of hematocrit

Answer 10

The percentage of total blood volume occupied by RBCs

Question 11

What is a typical hematocrit for an adult

Answer 11

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Question 12

How would you describe anemia and polycythemia in terms of normal hematocrit

Answer 12

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Question 13

What hormone can affect the hematocrit

Answer 13

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Question 14

How is whole blood defined

Answer 14

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Question 15

What is blood plasma

Answer 15

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Question 16

List some characteristics of blood discussed in class

Answer 16

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Question 17

What is hemopoiesis (hematopoiesis)

Answer 17

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Question 18

What effect does the growth factor (which is a hormone) erythropoietin (EPO) have on blood stem cells in the red bone marrow

Answer 18

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Question 19

Discuss molecule hemoglobin produced by erythrocytes (RBC)

Answer 19

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Question 20

Discuss steps involved in recycling RBC

Answer 20

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Question 21

Discuss how a blood clot is formed

Answer 21

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Question 22

Discuss how a blood clot is removed

Answer 22

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Question 23

Discuss the condition hemophilia

Answer 23

1. Bleeding disorder
2. Lacks some clotting factor so blood does not clot, causing excessive bleeding
3. Inherited deficiency of clotting in which bleeding may occur spontaneously or after minor trauma

Question 24

Discuss sickle cell anemia

Answer 24

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Question 25

Jaundice

Answer 25

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Question 26

Treatment for hemophilia

Answer 26

1. Administer missing clotting factors

2. Drug that increases blood clotting factors