Chapter 19

Question 1

The hematocrit is a measure of the percentage of whole blood occupied by what?

Answer 1

RBC’s

Question 2

What % of blood plasma is water?

Answer 2

91.5%

Question 3

What plasma protein plays a role in disease resistance?

Answer 3

Globulins

Question 4

What is the plasma protein that plays a role in blood clotting

Answer 4

Fibrinogen

Question 5

What is the name of the process by which the formed elements of the blood develop

Answer 5

Hemopoiesis

Question 6

What does a megakaryoblast develop into?

Answer 6

A platelet

Question 7

What is the name of the hormone that stimulates proliferation of RBC’s in red bone marrow?

Answer 7

Erythropoietin

Question 8

Approximately how many hemoglobin molecules are found in each RBC?

Answer 8

280 million

Question 9

Ferritin is a protein used to?

Answer 9

Store iron in the liver

Question 10

What is the major function of RBC’s

Answer 10

Gas transport

Question 11

Towards the end of erythropoiesis in the bone marrow, a RBC loses its nucleus and becomes what?

Answer 11

Erythrocyte

Question 12

What is the name for the blood cells that are involved in reducing blood loss from a damaged blood vessel?

Answer 12

Platelet

Question 13

What is the name of the blood cells that release granules that intensify the inflammatory response and promote hypersensitivity (allergic) reactions

Answer 13

Basophils

Question 14

What is the name for the blood cells that phagocytose antigen-antibody complexes and are effective against parastitic worms?

Answer 14

Eosinophils

Question 15

What is the name of the blood cells that are the main soldiers in the immune system defense of the body against microbial invaders?

Answer 15

Lymphocytes

Question 16

What is the name of the process of a WBC squeezing between endothelial cells to exit a blood vessel?

Answer 16

Emigration

Question 17

What is the sequence of events that happens during hemostasis in response to a damaged blood vessel

Answer 17

Vascular spasm, platelet plug formation, clotting

Question 18

The intrinsic and extrinsic pathways of blood clotting are identical after formation of?

Answer 18

Prothrombinase

Question 19

What is the name of the anticoagulant that is produced by mast cells and basophils?

Answer 19

Heparin

Question 20

In what situation could result in maternal antibodies attacking fetal blood cells during a 2nd pregnancy

Answer 20

Mum is Rh negative, fetus is Rh positive

Question 21

What type antibodies would you find in the plasma of a person with type O blood?

Answer 21

Anti-A and Anti-B

Question 22

What is the name of the anticoagulant produced by mast cells and basophils

Answer 22

Heparin

Question 23

Which blood type contains only Anti-A agglutinin

Answer 23

B

Question 24

What is the pre curser cells that eventually give rise to neutrophils

Answer 24

Myeloblast

Question 25

What are the formed elements that are derived from reticulocytes?

Answer 25

Erythrocytes

Question 26

Whats the name of the precursor cells that give rise to agranular leukocytes

Answer 26

Lymphoblast

Question 27

Whats the name of the precursor cells that give rise to granular leukocytes

Answer 27

Myleoblasts

Question 28

Serum is plasma with/without the clotting factor?

Answer 28

Without

Question 29

What does destruction of red bone marrow due to radiation result in?

Answer 29

Aplastic