Unit 7 - CH. 10 Vocab (A)

Question 1

the process by which RBCs clump together, usually in response to an antibody; can block small blood vessels and cause hemolysis

Answer 1

Agglutination

Question 2

a condition characterized by a decrease in the number of of RBCs or an insufficient amount of hemoglobin in the RBCs

Answer 2

Anemia

Question 3

a cell that circulates in plasma and attacks RBCs with foreign antigens, or antigens that are different from those of the host

Answer 3

Antibody

Question 4

a protein on the surface of RBCs that is used to identify blood type; a molecule on the surface of the cells that identifies cells as either “self” or “nonself” (foreign) cells

Answer 4

Antigen

Question 5

the process by which the enzyme and the protein fibrinogen combine to form fibrin, a fiber that weaves around the platelet plug to form a blood clot; takes between 2 and 15 minutes to complete

Answer 5

Coagulation

Question 6

the passage of blood, or any of its formed elements, through the blood vessel walls into body tissues

Answer 6

Diapedesis

Question 7

RBCs; contain hemoglobin, a protein responsible for oxygen and carbon dioxide exchange

Answer 7

Erythrocytes

Question 8

the process by which RBCs are produced

Answer 8

Erythropoiesis

Question 9

a long, thread-like fiber created by the combination of thrombin and fibrinogen; weaves around the platelet plug to form a blood clot

Answer 9

Fibrin

Question 10

the percentage of total blood volume that is composed of RBCs

Answer 10

Hematocrit

Question 11

process of RBC formation and development

Answer 11

Hematopoiesis

Question 12

an essential molecule of the RBC that serves as the binding site for oxygen and carbon dioxide; composed of two molecules: globin and heme

Answer 12

Hemoglobin

Question 13

the rupture of RBCs as a result of disease or old age

Answer 13

Hemolysis

Question 14

a condition in which blood does not clot properly due to the absence of a clotting factor

Answer 14

Hemophilia

Question 15

the sequence of events that causes a blood clot to form and bleeding to stop

Answer 15

Hemostasis

Question 16

a blood disorder characterized by the yellow-colored skin and whites of the eyes

Answer 16

Jaundice

Question 17

a cancer caused by the production of an extremely high number of immature white blood cells in the bone marrow

Answer 17

Leukemia

Question 18

WBC; fight infection and protect the body through various mechanisms

Answer 18

Leukocytes

Question 19

the drawing of blood; a standard treatment for polycythemia

Answer 19

Phlebotomy

Question 20

part of the formed elements of the blood; play a vital role in blood clotting

Answer 20

Platelets