Blood

Question 1

Which term is more general:

Answer 1

circulatory system

Question 2

Which does NOT include the lymphatic system?

Answer 2

cardiovascular system

Question 3

What is the blood volume of an average male?

Answer 3

5-6liters

Question 4

What is the blood volume of an average female?

Answer 4

4-5 liters

Question 5

What percentage of blood is plasma (on average)?

Answer 5

55%

Question 6

What percentage of blood is erythrocytes (on average)?

Answer 6

45 %

Question 7

What percentage of blood is white blood cells and platelets?

Answer 7

< 1%

Question 8

If a patient has a hematocrit of 50%, is this high, low or normal?

Answer 8

high

Question 9

What percentage of plasma is water?

Answer 9

90 %

Question 10

Plasma is separated from blood cells by

Answer 10

centrifuging

Question 11

Form blood clots

Answer 11

fibrinogen

Question 12

Include circulating antibodies

Answer 12

globulins

Question 13

Maintain osmotic pressure

Answer 13

albumins

Question 14

Transport lipids, iron and copper

Answer 14

globulins

Question 15

What plasma proteins do we have the most of?

Answer 15

albumins

Question 16

Serum is blood plasma without the:

Answer 16

clotting factors

Question 17

erythrocytes

Answer 17

About 4-6 million/mm3
Shaped like a disc
7-8 μm in diameter
No nucleus
Survive for about 4 months

Question 18

How does the absence of mitochondria in RBCs help them to perform their function?

Answer 18

This prevents the oxygen that is being transported by the RBC to be used up to supply the cell’s own needs.

Question 19

General name for all white blood cells.

Answer 19

leukocyte

Question 20

Primary location where WBCs function.

Answer 20

loose connective tissues

Question 21

The process WBCs use to squeeze through the capillary wall to reach a site of infection or inflammation.

Answer 21

diapedesis

Question 22

Leukocytes that contain granules in their cytoplasm.

Answer 22

granulocytes

Question 23

Leukocytes that do NOT contain granules in their cytoplasm.

Answer 23

agranulocytes

Question 24

What is the normal number of WBCs?

Answer 24

4,800-11,000 per cubic mm.

Question 25

What is the normal number of platelets?

Answer 25

150,000-500,000 per cubic mm.

Question 26

Another name for platelets is

Answer 26

thrombocytes

Question 27

Mount immune response by direct cell attack or via antibodies.

Answer 27

lymphocyte

Question 28

Phagocytize bacteria; first to arrive at the scene of trauma.

Answer 28

neutrophil

Question 29

Phagocytosis of viruses, parasites and large cell fragments; develop into macrophages in tissues.

Answer 29

monocyte

Question 30

Release histamine and other mediators of inflammation.

Answer 30

basophil

Question 31

Turn off allergic responses and kill parasites.

Answer 31

eosinophil

Question 32

Seals small tears in blood vessels; instrumental in blood clotting.

Answer 32

platelet

Question 33

Transport oxygen and carbon dioxide.

Answer 33

erythrocyte

Question 34

Number the following cell types from 1 to 4 to indicate the order in which they develop:

Answer 34

1 blood stem cell 2 erythroblast 3 reticulocyte 4 erythrocyte

Question 35

Which of the above develops in the bloodstream, rather than in bone marrow?

Answer 35

erythrocyte

Question 36

A chronic bleed might be indicated by in the blood:

Answer 36

more reticulocytes

Question 37

The cells that form platelets are (circle one):

Answer 37

megakaryocytes

Question 38

Platelets are of these precursor cells (circle one):

Answer 38

fragments

Question 39

Precursor cell of all three types of granulocytes.

Answer 39

myeloblast

Question 40

Precursor of the cell that forms platelets.

Answer 40

megakaryoblast

Question 41

Precursor of the cell that forms RBCs.

Answer 41

erythroblast

Question 42

Precursor of lymphocytes.

Answer 42

lymphoid stem cell

Question 43

Precursor of monocytes.

Answer 43

monoblast

Question 44

Stem cell that is the precursor of all the different types of formed elements.

Answer 44

blood stem cell

Question 45

Too few RBCs (less than 4 million/mm3)

Answer 45

anemia

Question 46

Too many RBCs (more than 6 million/mm3)

Answer 46

polycythemia

Question 47

Presence of less hemoglobin than normal or abnormal hemoglobin

Answer 47

anemia

Question 48

Too few platelets (less than 250,000/mm3)

Answer 48

thrombocytopenia

Question 49

Cancer of the WBCs

Answer 49

leukemia

Question 50

Inherited condition in which an abnormal hemoglobin causes RBCs to change shape

Answer 50

sickle cell disease

Question 51

Any abnormal mass carried freely in the bloodstream

Answer 51

embolus

Question 52

A clot that develops or persists in an intact blood vessel

Answer 52

thrombus

Question 53

Could result in excessive bleeding

Answer 53

thrombocytopenia

Question 54

Could cause a stroke of rapid onset.

Answer 54

embolus