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Test 3 > Histo blood > Flashcards

Histo blood Flashcards

1
Q

6 functions of blood

A 
Transport of O2 and CO2
Distribution of nutrients
Transport of waste products
Stabilization of pH and electrolytes
Regulation of temperature
Immune defense
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2
Q

Life span of RBC

A

120 days

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3
Q

Platelet life span

A

10-12 days

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4
Q

Life span of WBC

A

“measured in days”

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5
Q

leukopenia

A

WBC <3*10^9/liter

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6
Q

leukocytosis

A

WBC 11-17 *10^9/liter

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7
Q

neutrophil proportion

A

60-70% of leukocytes

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8
Q

distinguishing characteristic of eosinophil

A

bilobed nucleus

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9
Q

eosinophil proportion

A

2-4% of circulating leukocytes

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10
Q

these cells rapidly increase in numbers in response to parasitic infections

A

eosinophils

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11
Q

distinguishing characteristic of neutrophil

A

multilobed nucleus

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12
Q

source of factors mediating allergic reactions and asthma

A

eosinophils

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13
Q

basophil proportion

A

<1% of circulating leukocytes

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14
Q

two agranular leukocytes

A

monocytes, lymphocytes

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15
Q

first cells to arrive at site of injury

A

neutrophils

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16
Q

these leukocytes release histamine

A

basophils

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17
Q

three types of granular leukocytes

A

neutrophils, eosinophils, basophils

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18
Q

these cells increase numbers in hypersensitivity reactions

A

basophils

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19
Q

basophil distinguishing characteristic

A

super grainy and blue

20
Q

these leukocytes cross blood vessel wall

A

basophils

21
Q

characteristic of monocytes

A

u shaped nucleus

22
Q

these cells give rise to macrophages

A

monocytes

23
Q

lymphocyte proportion

A

20-30% of circulating leukocytes

24
Q

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

A

lymphocyte

25
Q

lymphocyte distinguishing characteristic

A

spherical nuclei that take up most of cell volume

26
Q

multilobed nucleus

A

neutrophils

27
Q

monocyte proportion

A

2-8% of circulating leukocytes

28
Q

kidney shaped nucleus

A

monocytes

29
Q

super grainy blue nucleus

A

basophils

30
Q

bilobed nucleus

A

eosinophils

31
Q

spherical nucleus that takes up most of cell volume

A

lymphocytes

32
Q

NK cell proportion

A

10-15% of lymphocytes

33
Q

three types of lymphocyte

A

B, T, NK

34
Q

immune defense against microorganisms, foreign antigens, cancer cells

A

lymphocytes

35
Q

Two primary lymphoid organs

A

thymus, bone marrow

36
Q

B lymphocyte proportion

A

25-30% of lymphocytes

37
Q

T lymphocyte proportion

A

65-75% of lymphocytes

38
Q

5 secondary lymphoid organs

A

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

39
Q

two components of spleen

A

red pulp and white pulp

40
Q

purpose of spleen red pulp

A

destruction of aged platelets and erythrocytes

41
Q

cells in innate immune system

A

macrophages, neutrophils

42
Q

erythrocyte proportion

A

45%

43
Q

source for B and T lymphocytes

A

Lymphoid stem cell

44
Q

origin of B and T lymphocytes

A

bone marrow

45
Q

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

A

myeloid stem cell

46
Q

contents and proportion of buffy coat

A

platelets and leukocytes, 1-2%

Test 3 (10 decks)

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