Blood

Question 1

What are the components of blood?

Answer 1

Plasma
Leukocytes & Platelets
Erythrocytes

Question 2

55% of total blood

Answer 2

Plasma

Question 3

<1% of total blood

Answer 3

Buffy Coat/Leukocytes & Platelets

Question 4

45% of total blood

Answer 4

Erythrocytes

Question 5

Formed elements

Answer 5

Erythrocytes
Leukocytes
Platelets

Question 6

Transport oxygen and help transport carbon dioxide

Answer 6

Erythrocytes

Question 7

Defense and immunity

Answer 7

Leukocytes

Question 8

Blood clotting

Answer 8

Platelets

Question 9

Active phagocytes; number increases rapidly during short-term or acute infections

Answer 9

Neutrophils

Question 10

Kill parasitic worms by deluging them with digestive enzymes; play a complex role in allergy attacks

Answer 10

Eosinophils

Question 11

Release histamine (vasodilator chemical) at sites of inflammation; contain heparin, an anticoagulant

Answer 11

Basophils

Question 12

Part of immune system; B lymphocytes produce antibodies; T lymphocytes are involved in graft rejection and in fighting tumors and viruses via direct cell attack

Answer 12

Lymphocytes

Question 13

Active phagocytes that become macrophages in the tissues; long-term “cleanup team”; increase in number during chronic infections; activate lymphocytes during immune response

Answer 13

Monocytes

Question 14

How many per mm3 of blood in Erythrocytes?

Answer 14

4–6 million

Question 15

How many per mm3 of blood in Leukocytes?

Answer 15

4,800–10,800

Question 16

How many per mm3 of blood in Neutrophils?

Answer 16

3,000–7,000 (40–70% WBCs)

Question 17

How many per mm3 of blood in Eosinophils?

Answer 17

100–400 (1–4% WBCs)

Question 18

How many per mm3 of blood in Basophils?

Answer 18

20-50 (0–1% WBCs)

Question 19

How many per mm3 of blood in Lymphocytes?

Answer 19

1,500–3,000 (20–45% WBCs)

Question 20

How many per mm3 of blood in Monocytes?

Answer 20

100–700 (4–8% WBCs)

Question 21

Sudden hemorrhage

Answer 21

Hemorrhagic anemia

Question 22

Lysis of RBC as a result of bacterial infection

Answer 22

Hemolytic anemia

Question 23

Lack of vitamin B12 usually due to lack of intrinsic factor required for absorption of the vitamin

Answer 23

Pernicious anemia

Question 24

Depression/destruction of bone marrow by cancer, radiation, or certain medications

Answer 24

Aplastic anemia

Question 25

Lack of iron in diet or slow/prolonged bleeding, which depletes iron reserves needed to make hemoglobin

Answer 25

Iron-deficiency anemia

Question 26

Genetic defect leads to abnormal hemoglobin, which becomes sharp and sickle-shaped under conditions of increased oxygen used by the body; occurs mainly in people of African descent

Answer 26

Sickle cell anemia

Question 27

an iron-bearing protein, transports most of the oxygen that is carried in the blood

Answer 27

Hemoglobin

Question 28

one of the eight RH antigens (agglutinogen D)

Answer 28

Rhesus Monkeys

Question 29

an immune serum that prevents this sensitization and subsequent immune response

Answer 29

RhoGAM

Question 30

a substance that the body recognizes as foreign; it stimulates the immune system to mount a defense against it

Answer 30

Antigen

Question 31

present in plasma that attach to RBCs bearing surface antigens different from those on the patient’s RBCs

Answer 31

Antibodies

Question 32

The only fluid tissue in the body

Answer 32

Blood

Question 33

approximately 90 percent of water, is the part of the blood

Answer 33

Plasma

Question 34

A thin, whitish layer at the junction between the erythrocytes and the plasma

Answer 34

Buffy Coat

Question 35

Erythrocytes normally account for about 45 percent of the total volume of a blood sample, a percentage known as

Answer 35

Hematocrit

Question 36

A decrease in the oxygen-carrying ability of the blood

Answer 36

Anemia