BLOOOOOOD

Question 1

Hematopoiesis

Answer 1

Process of forming all blood cells and WBC’s

Question 2

Hematopoietic tissues

Answer 2

Liver (during gestation), yolk sac for first 3 months, spleen some until birth. After, bone marrow

Question 3

Formed elements

Answer 3

RBC’s, WBC’s, platelets

Question 4

% blood volume for RBC’s

Answer 4

41-53 (male) 36-46 (female)

Question 5

% blood volume for WBC’s

Answer 5

1%

Question 6

% blood volume for plasma

Answer 6

49-64%

Question 7

What is plasma made of?

Answer 7

Water (90%), protein (7%), inorganic ions (.9%)

Question 8

What proteins are found in plasma?

Answer 8

Albumin, globulins, fibrinogen and prothrombin

Question 9

What is serum?

Answer 9

Platelet derived growth factors, but devoid of other clotting factors

Question 10

Erythrocyte

Answer 10

Biconcave, carry oxygen and carbon dioxide bound to hemoglobin. Anucleate, life span of 120 days.

Question 11

Macrocyte

Answer 11

RBC > 9 microns in diameter, due to lack of folic acid

Question 12

Microcyte

Answer 12

RBC

Question 13

Reticulocyte

Answer 13

Immature RBC, stained residual DNA, 1-2% of RBC’s

Question 14

Neutrophil

Answer 14

1800-7700/microliter, most common WBC (50-70%), lifespan of 6-7 days. 2-5 lobes.

Question 15

Lymphocyte

Answer 15

1k-4800/microliter, 18-42%, grow when activated. T cells (60-80%), B cells (20-30%), or NK cells

Question 16

Monocyte

Question 17

Eosinophil

Question 18

Basophil

Question 19

Band neutrophil

Answer 19

immature neutrophil, lobes of nucleus are not yet defined. See a lot of these in acute infection.

Question 20

Differences between granulocytes and agranulocytes

Answer 20

Granulo - polymorphonuclear, visible granules, lysosomal activity