Blood Ch. 17 Module 2: Section 17.03 Dynamic Study Module Flashcards


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human anatomy & physiology ii
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1

All cell stages.

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2
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Identify the cell stage of erythropoiesis indicated by "C."

Basophilic erythroblast

3

One molecule of hemoglobin can bind a maximum of __________ oxygen molecules.

four

4
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Identify the cell stage of erythropoiesis indicated by "E."

Orthochromatic erythroblast

5

Mature red blood cells in the circulating blood are filled with __________.

hemoglobin molecules

6

The terms biconcave and anucleate apply to __________.

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red blood cells

7

Pernicious anemia may result from __________.

the lack of vitamin B12 in the diet or a deficiency of the intrinsic factor needed to absorb B12

8

Which of the following factors has the greatest effect on making red blood cells (RBCs) very efficient oxygen transporters?

They generate ATP by anaerobic mechanisms and do not consume any of the oxygen they carry.

9

The percentage of total blood volume occupied by erythrocytes is known as the _____________.

hematocrit

10

Match the following disorder with the appropriate description: Aplastic anemia.

Results from destruction or inhibition of the red marrow by certain bacterial toxins, drugs, and ionizing radiation

11

Erythropoietin is made primarily by the __________.

kidneys

12
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Identify the cell stage of erythropoiesis indicated by "D."

Polychromatic erythroblast

13

Choose the true statement about fetal hemoglobin.

Fetal hemoglobin has a higher affinity for oxygen than does adult hemoglobin.

14

Match the following disorder with the appropriate description: Sickle-cell anemia.

Caused by abnormal (mutated) hemoglobin from a change in DNA, resulting in a change in one of the 146 amino acids of the beta chain of the globin molecule

15

Individuals with malaria have a better chance of surviving if they have which type of anemia?

Sickle-cell anemia

16

Match the following disorder with the appropriate description: Iron-deficiency anemia.

Can be a secondary result of hemorrhagic anemia, but it also results from inadequate diet or impaired absorption (vision)

17

Which of the following is a function of erythrocytes?

Transport oxygen and carbon dioxide

18
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Identify the cell stage of erythropoiesis indicated by "F."

Reticulocyte

19

Which type of anemia results from the destruction or inhibition of the red marrow by drugs, chemicals, ionizing radiation, or viruses?

Aplastic anemia

20

Choose the true statement about fetal hemoglobin.

Fetal hemoglobin has a higher affinity for oxygen than does adult hemoglobin

21

The percentage of total blood volume occupied by erythrocytes is known as the ____________.

hematocrit

22

Aging red blood cells are fragmented and trapped mainly in the ____________.

spleen

23

Another term for reduced hemoglobin is ____________.

deoxyhemoglobin

24

Which of the following is a characteristic of a mature erythrocyte?

It has a biconcave disc shape.

25
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Identify the cell stage of erythropoiesis indicated by "A."

Hemocytoblast

26

Erythroblastosis fetalis is caused by ____________.

an Rh incompatibility between an Rh-negative mother and her Rh-positive baby during pregnancy

27

Match the following disorder with the appropriate description: Hemorrhagic anemias.

Result from blood loss

28

Erythropoiesis is best defined as ____________.

red blood cell production