Blood Flashcards

(74 cards)

1
Q

3 components of blood

A

Plasma, platelets and white blood cells, red blood cells

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2
Q

what is the name for the percentage of red blood cells?

A

Hematocrit

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3
Q

What kind of tissue is blood

A

connective tissue

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4
Q

what percentage of what is blood?

A

90%

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5
Q

What are the components of blood plasma?

A

Electrolytes, dissolved gases, proteins, hormones, nutrients, and waste products

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6
Q

3 types of plasma proteins

A

albumins, globulins, clotting

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7
Q

a familu of globular proteins produced in the liver

A

serum albumins

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8
Q

what does serum albumin carry?

A

fatty acids, drugs, and penicillin

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9
Q

what do globulins bind to

A

molecules such as cholesterol

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10
Q

which plasma protein is involved in immune response?

A

globulins

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11
Q

Plasma protein that has fibrinogen

A

clotting proteins

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12
Q

another term for red blood cells

A

erythrocytes

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13
Q

what is the shape of erythrocytes (red blood cells)

A

thinner at the center than at the edge

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14
Q

the shape of erythrocytes allows flex for what purpose?

A

to fit through capillaries

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15
Q

what is unique about red blood cells

A

no nucleus

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16
Q

red blood cells are regulated by what hormone from the kidneys?

A

erythropoietin

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17
Q

what does erythropoietin do?

A

results in increased production of stem cells from bone marrow

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18
Q

what type of cell contains hemoglobin?

A

red blood cells

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19
Q

what part of the red blood cell contains oxygen?

A

oxyhemoglobin

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20
Q

what gives blood its red colour?

A

the oxygen

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21
Q

what is deoxyhemoglobin

A

red blood cells with no oxygen - purple

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22
Q

Two types of leukocytes (white blood cells)

A

Granular and agranular

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23
Q

3 types of granular leukocytes

A
  1. Neutrophil
  2. Eosinophil
  3. Basophil
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24
Q

2 types of agranular leukocytes

A

monocyte and lymphocyte

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25
type of granular leukocyte that surrounds and engulfs foreign cells
neutrophils
26
what type of granular leukocyte increases during infections?
neutrophils
27
two rarest types of granular leukocytes
eosinophils and basophils
28
granular leukocytes that defend the body against parasites
eosinophils
29
granule containing histamine
basophils
30
2 functions of B lymphocytes
give rise to plasma cells and produce antibodies
31
What do T lymphocytes do?
target and destroy foreign cells
32
what do monocytes do?
dispose of invading cells and cellular garbage through phagocytes
33
percentage of platelets in whole blood
1%
34
life span of platelets
5-9 days
35
what are platelets involved in?
hemostasis (clotting) and repair
36
3 major steps of hemostasis
1. Vascular spasm 2. Formation of platelet plug 3. Clot formation
37
another word for vascular spasm
vasoconstriction
38
another word for clot formation
coagulation
39
what happens during vascular spasms
vessels constrict and can stop bleeding
40
vascular spasms result from 2 things:
1. Myogenic Contraction | 2. Platelets releasing thromboxane A2
41
When does myogenic contraction occur?
it physically activates from damage or pain signals initiate contraction
42
during the formation of a platelet plug, platelets release what?
thromboxane a2 and ADP
43
when do platelets swell for platelet plugs
when a ruptured vessel exposes proteins
44
How many clotting factors are there?
12
45
During clot formation, what do platelets synthesize?
prothrombin activator
46
the convertion of prothrombin to thrombin in clot formation requires what mineral to be present?
calcium
47
in clot formation, thrombin starts conversion of fibrinogen into what?
fibrin
48
What does fibrin do in clot formation?
creates a mesh that traps platelets, blood cells, and other various molecules
49
Hemophilia A is a lack of which clotting factor?
8
50
the extrinsic path of blood clotthing allows what?
bypass some steps
51
If you apply tissue thromboplastin to whole blood, what will happen?
activates factor 10, bypassing normal cascade that happens within the body
52
How does asprin, an anticoagulate, affect hemostasis?
reduces platelet activation to prevent platelet plug
53
Blood types are determined by the presence of specific...
antigens
54
cell protein that stimulates an immune response and sits on the surface of a cell
antigen
55
the defense protein in blood that looks for specific antigens
antibodies
56
what types of cells produce antibodies?
B cells
57
what types of cells attack and destroy tagged cells?
t cells
58
What type of antigens does type B blood have?
anitgen B
59
What type of antigens do type O blood have?
neither
60
what types of plasma antibodies do type AB people have
neither a nor b anitbodies
61
what type of antibodies do type o blood carriars have?
A and B
62
Who are universal donors?
O-
63
Who are universal recipients?
AB+
64
How can hemolytic disease of newborns be prevented?
at 28 weeks, RhoGAM injection given to mother to destroy any Rh + blood cells in mother's blood stream
65
bacterial infection of the blood is called
septicemia
66
5 symptoms of septicemia
flushed skin, chills, fever, rapid heartbeat, shallow breathing
67
blood disorder for reduced oxygen carrying capacity of blood
anemia
68
hemorrhagic anemia is caused by
blood loss
69
cause of pernicious anemia
deficiency in B12
70
renal kidney failure anemia results in what?
decrease in red blood cell production
71
type of blood cancer that includes uncontrolled production of white blood cells
leukemia
72
type of blood cancer that results in easy bruising, anemia or sore bones
leukemia
73
type of blood cancer that includes impairsproduction of plasma cells
multiple myeloma
74
people with multiple myeloma are prone to what?
infection