blood histo Flashcards Preview

► Med Misc 05 > blood histo > Flashcards

Flashcards in blood histo Deck (44):
1

functions of blood

transport of oxygen and carbon dioxide
carries nutrients from GIT to diff tissues
brings waste products to kidneys
distributes hormones to their target organs

2

55% of total blood quantity
composed of water, organic and inorganic substances, hormones and enzymes

Plasma

3

Blood w/o fibrinogen content

Serum

4

Consists 40-50% of blood volume

Solid elements

5

cellular elements of blood

rbc
wbc
platelets

6

non cellular elements of blood

chylomicrons
hematokonia/blood dust

7

not true cells; no nucleus
specialized for oxygen and carbon dioxide transport

erythrocytes

8

number of rbc in men

5.4 M/mL

9

Number of rbc in women

4.8 M/mL

10

Life span of rbc

120 days

11

Gives acidophilic color to rbc
Oxygen and carbon dioxide carrier

Hemoglobin

12

Normal Number of hemoglobin

12-15 gm/100 ml

13

normal Hgb

normochromic

14

inc Hgb

hyperchromic

15

dec Hgb

Hypochromic

16

different hapes

Poikilocytosis

17

diff sizes

anisocytosis

18

effects of salt sol'n
when sol'n is hypertonic

crenation

19

effects of salt sol'n
when sol'n is hypotonic

hemolysis

20

granular wbc

neutrophils
basophils
eosinophils

21

most common granular wbc (40-75%)
with 2 or more nuclei
"polys"/PMN
"drumstick" chromosome

Neutrophils

22

life span of Neutrophils

about 8 days

23

1-2% of WBC population
with bilobed nucleus
w/ eosinophilic specific granules

eosinophil

24

least common WBC (

basophils

25

smallest WBC
2nd most common WBC (20-35%)

lymphocytes

26

types of lymphocytes based on site of formation

T-lymphocytes
B-lymphocytes

27

type of lymphocytes
memory cells
arises from bone marrow and proliferates in the thymus
activates B lymphocytes

T-lymphocytes

28

T-lymphocytes arises from ------ and proliferates in the -----

bone marrow
thymus

29

type of lymphocytes
does not pass the thymus
produces antibodies

b lymphocytes

30

life span of b lymphocytes

few days

31

largest WBC
2-10% of WBC population
w/ horseshoe shaped nucleus

Monocyte

32

small, colorless, non-nucleated
non-motile cytoplasmic fragments

platelets

33

normal value of platelets

200,00 - 400,000 mL

34

development of blood cells

hemopoiesis

35

2 tissues producing blood cells

lymphoid
myeloid

36

tissue that produce lymphocytes

lymphoid

37

tissue that produce rbc, wbc, platelets

myeloid (red bone marrow)

38

shifts from one region to another

fetal hemopoiesis

39

3 phases of fetal hemopoiesis

mesoblastic - blood islands
hepatic - liver and spleen
myeloid - bone marrow

40

theories of blood cell formation

monophyletic/unitarian
polyphyletic

41

theories of blood cell formation
common stem cell

monophyletic/unitarian

42

theories of blood cell formation
primitive cell for each blood cell type
diphyletic/dualistic

polyphyletic

43

stages of RBC formation

proerythroblast/rubriblast
basophilic erythroblast
polychromatophilic erythroblast
acidophilic erythroblast
reticulocyte
erythrocyte

44

stages of granulopoiesis

pro-myelocyte
myelocyte
metamyelocyte
mature form

Decks in ► Med Misc 05 Class (295):