Chapter 19 : Blood

Question 1

thrombopoietin

Answer 1

a hormone produced by the liver that stimulates the formation of platelets from megakaryoctyes

Question 2

each oxygen molecule picked up from the lungs is bound to an ______

Answer 2

iron ion

Question 3

hemoglobin releases

Answer 3

oxygen

Question 4

hemoglobin

Answer 4

a pigment that gives blood its red color

Question 5

healthy adult male has _____RBC per microliter

Answer 5

5.4 million

Question 6

multipotent stem cells aka hemocytoblasts

Answer 6

differentiate

Question 7

components of blood percentage

Answer 7

blood plasma = 90% water
blood plasma proteins = 7% albumins, fibrinogen, globulins
other solutes = 1.5%

Question 8

hematocrit

Answer 8

percentage of total blood volume occupied by RBCs

Question 9

Platelets

Answer 9

the final type of formed element, are fragments of cells that do not have nucleus
release chemicals that promote blood clotting

Question 10

a significant drop of hematocrit =

Answer 10

anemia

Question 11

anemia

Answer 11

lower than normal number of RBCs

Question 12

polycythemia =

Answer 12

percentage of RBCs is abnormally high

Question 13

blood plasma

Answer 13

straw colored liquid

Question 14

RBCs

Answer 14

aka erythrocytes transport O2 from lungs to body cells and deliver CO2 from body cells to lungs

Question 15

hemopoiesis

Answer 15

process where formed elements of blood develop

Question 16

megarkayocytes produce and are the source of

Answer 16

platlets

Question 17

granulocytes

Answer 17

neutrophils
basophils
eosinophils

Question 18

agranulocytes

Answer 18

monocytes
lymphocytes

Question 19

erythropoitein

Answer 19

increases the number of red blood cell precursors

Question 20

erythropoiesis

Answer 20

production of RBC’s

Question 21

reticulocyte

Answer 21

maturing RBC that ejects nucleus

Question 22

WBCs

Answer 22

have nuclei and organelles

Question 23

leukocytosis

Answer 23

increase in WBCs

Question 24

leukopenia

Answer 24

decrease in WBCs

Question 25

chemotaxis

Answer 25

phenomenon where different chemicals released by microbes and inflamed tissues attract phagocytes

Question 26

megakaryocytes

Answer 26

huge cells that fragment to many pieces known as platelets

Question 27

how many WBCs per microliter

Answer 27

5,000-10,000
most live a few days or hours

Question 28

hemorrhage

Answer 28

loss of large amount of blood from vessels

Question 29

hemostasis

Answer 29

a sequence of responses that stops bleeding

Question 30

blood serum =

Answer 30

blood plasma minus clotting proteins

Question 31

prothrombinase converts prothrombin into

Answer 31

thrombin

Question 32

thrombin converts fibrinogen into

Answer 32

fibrin

Question 33

Ca2+ and platelet phospholipids can activate

Answer 33

Factor X

Question 34

tissue factor

Answer 34

a tissue protein that leaks into the blood to initiate prothrombin

Question 35

agglutination

Answer 35

is not the same as blood clotting
it is the clumping of the RBCs

Question 36

hemolysis

Answer 36

leaky RBCs