Histo blood

Question 1

6 functions of blood

Answer 1

Transport of O2 and CO2
Distribution of nutrients
Transport of waste products
Stabilization of pH and electrolytes
Regulation of temperature
Immune defense

Question 2

Life span of RBC

Answer 2

120 days

Question 3

Platelet life span

Answer 3

10-12 days

Question 4

Life span of WBC

Answer 4

“measured in days”

Question 5

leukopenia

Answer 5

WBC <3*10^9/liter

Question 6

leukocytosis

Answer 6

WBC 11-17 *10^9/liter

Question 7

neutrophil proportion

Answer 7

60-70% of leukocytes

Question 8

distinguishing characteristic of eosinophil

Answer 8

bilobed nucleus

Question 9

eosinophil proportion

Answer 9

2-4% of circulating leukocytes

Question 10

these cells rapidly increase in numbers in response to parasitic infections

Answer 10

eosinophils

Question 11

distinguishing characteristic of neutrophil

Answer 11

multilobed nucleus

Question 12

source of factors mediating allergic reactions and asthma

Answer 12

eosinophils

Question 13

basophil proportion

Answer 13

<1% of circulating leukocytes

Question 14

two agranular leukocytes

Answer 14

monocytes, lymphocytes

Question 15

first cells to arrive at site of injury

Answer 15

neutrophils

Question 16

these leukocytes release histamine

Answer 16

basophils

Question 17

three types of granular leukocytes

Answer 17

neutrophils, eosinophils, basophils

Question 18

these cells increase numbers in hypersensitivity reactions

Answer 18

basophils

Question 19

basophil distinguishing characteristic

Answer 19

super grainy and blue

Question 20

these leukocytes cross blood vessel wall

Answer 20

basophils

Question 21

characteristic of monocytes

Answer 21

u shaped nucleus

Question 22

these cells give rise to macrophages

Answer 22

monocytes

Question 23

lymphocyte proportion

Answer 23

20-30% of circulating leukocytes

Question 24

only leukocyte that can return to the blood after leaving a vessel

Answer 24

lymphocyte

Question 25

lymphocyte distinguishing characteristic

Answer 25

spherical nuclei that take up most of cell volume

Question 26

multilobed nucleus

Answer 26

neutrophils

Question 27

monocyte proportion

Answer 27

2-8% of circulating leukocytes

Question 28

kidney shaped nucleus

Answer 28

monocytes

Question 29

super grainy blue nucleus

Answer 29

basophils

Question 30

bilobed nucleus

Answer 30

eosinophils

Question 31

spherical nucleus that takes up most of cell volume

Answer 31

lymphocytes

Question 32

NK cell proportion

Answer 32

10-15% of lymphocytes

Question 33

three types of lymphocyte

Answer 33

B, T, NK

Question 34

immune defense against microorganisms, foreign antigens, cancer cells

Answer 34

lymphocytes

Question 35

Two primary lymphoid organs

Answer 35

thymus, bone marrow

Question 36

B lymphocyte proportion

Answer 36

25-30% of lymphocytes

Question 37

T lymphocyte proportion

Answer 37

65-75% of lymphocytes

Question 38

5 secondary lymphoid organs

Answer 38

spleen, lymph nodes, tonsils, appendix, peyer's patches

Question 39

two components of spleen

Answer 39

red pulp and white pulp

Question 40

purpose of spleen red pulp

Answer 40

destruction of aged platelets and erythrocytes

Question 41

cells in innate immune system

Answer 41

macrophages, neutrophils

Question 42

erythrocyte proportion

Answer 42

45%

Question 43

source for B and T lymphocytes

Answer 43

Lymphoid stem cell

Question 44

origin of B and T lymphocytes

Answer 44

bone marrow

Question 45

source for erythrocytes, platelets, eosinophil, basophil, neutrophil, monocyte

Answer 45

myeloid stem cell

Question 46

contents and proportion of buffy coat

Answer 46

platelets and leukocytes, 1-2%