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Medical Assistant > BLOOD > Flashcards

BLOOD Flashcards

(65 cards)

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1
Q

Blood characteristics liters & body weight

A

4-6 liters / adult
8% body weight

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2
Q

Blood Functions -3

A

Carries oxygen & nutrients
removes carbon dioxide and waste
Regulates body temp

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3
Q

Erythrocytes

A

Red blood cells
Only last 120 days in body

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4
Q

red blood cells produced where?

A

in red bone marrow

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5
Q

Erythropoietin

A

hormone that stimulates bone marrow cells to increase RBC

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6
Q

Red blood cells count

A

between 4 million and 6.5 million RBC/ML

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7
Q

Anemia

A

low red blood cell count

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8
Q

Polycythemia

A

increase in red blood cells - blood is thicker and more dense

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9
Q

Hematocrit

A

packed RBC volume

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10
Q

Hemoglobin

A

Carries oxygen to body

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11
Q

white blood cells

A

leucoytes

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12
Q

White blood cell count

A

5,000-10,000 WBC per mm3 milimeters squared

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13
Q

White blood cells protect against

A

infection

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14
Q
A
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15
Q

Type of WBC: Neutrophils

A

55% elevated in bacterial infections

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16
Q

Type of WBC: Eosinophils

A

3% elevated in asthma, allergic reactions & parasit infections

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17
Q

Type of WBC: Basophils

A

less than 1% - release histamine and heparin, promote inflammation

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18
Q

Lymphocytes

A

Makes antibodies

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19
Q

T CELLS

A

Fighter cells, body fighting pathogen

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20
Q

B CELLS

A

Memory cell trained in how to fight infections

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21
Q

Monocytes

A

largest, destroy germs (viruses, bacteria, fungi) and eliminate infected cells

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22
Q

Leukocytosis

A

high white blood cell count

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23
Q

Leukopenia

A

low white blood cell count

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24
Q

Platelets / Thrombocytes

A

needed for clotting

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25
Normal count of platelets
130,000-360,000 / cubic ml of blood
26
Thrombocytosis
high platelet levels
27
Thrombocytopenia
low platelet levels
28
Hemostasis
control of bleeding, stopping flow of blood
29
Coagulation
Process of clotting
30
Thrombus
stationary clot
31
Embolus
traveling clot
32
Plasma
obtained blood in tube with anticoagulant - then centrifuge
33
Plasma characteristics
largest portion of blood Light yellow when separated Carries water and other nutrients Used to remove waste from body
34
Serum
coagulated blood into a tube without an anticoagulant, allowing clotting and then centrifuging
35
A blood type
can receive A and O
36
B blood type
can receive B and O
37
AB blood type
Univeral RECIPIENT - can receive A, B, AB and O
38
O blood type
universal DONOR - can receive O can give to anyone but only receive O
39
RH FACTOR
inherited protein found on surface of Red blood cells IF blood has protein you're RH POSITIVE IF BLOOD LACKS PROTEIN you're RH Negative
40
Transfused blood
Needs to match RH factor
41
RH FACTOR IS DETERMINED
for mother and child during pregnancy
42
Erythroblastosis Fetalis
mother developed antobodies to RH Antigen during pregnancy
43
Anemia
decreased RBC count
44
Leukemia
bone marrow produces large number of abnormal WBC
45
Sickle cell anemia
Genetic RIght blood cells change to sickle shape and cant carry oxygen Most common in African Americans
46
Polycythemia Vera
Disease of bone marrow that results in abnormally high RBC causes blood to thicken
47
Thalaassemia
Inherited anemia, defective hemoglobin chain causes small, pale and short lived RBC
48
Erythrocytes
Red Blood Cells
49
Erythropoietin
Hormone that stimulates called of bone marrow to increase production of RBC
50
Leukocytes
WBC
51
Leukocytosis
High WBC count
52
Leukopenia
low WBC count
53
Plasma
largest portion of blood
54
O blood type
universal donor
55
Anemia caused by
decreased RBC
56
Sickle cell anemia
genetic disorder, RBC change shape, cant carry oxygen African Americans
57
Platelets
Thrombocytes
58
Thrombocytosis
high platelet levels
59
Thrombocytopenia
low platelet levels
60
Hemostatis
Stopping flow of blood
61
Coagulation
process of clotting
62
Thrombus
a stationery blood clot
63
Embolus
a traveling blood clot
64
Polycythemia vera
bone marrow disease that causes abnormally high number of blood cells
65
Thalassemia
inherited form of anemia, defective hemoglobin chain causes small, pale and short lived RBCs

Medical Assistant (17 decks)

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