Blood And Lymph Flashcards

1
Q

Hemoglobin

A

the blood protein that carries oxygen

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2
Q

Hemolysis

A

the destruction of erythrocytes

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3
Q

Hematology

A

the study of blood

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4
Q

Icterus (or jaundice):

A

yellow discoloration of the skin and/or mucous membranes due to excess circulating bilirubin

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5
Q

Macrophage

A

a large cell that destroys phagocytosis

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6
Q

Pancytopenia

A

decreased numbers of all types of blood cells

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7
Q

Blood is the medium of transport in the circulatory system

A

Transports O 2 and CO 2 to and from the tissues and lungs
Transports other materials throughout the body

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8
Q

Vasodilation

A

sweat

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9
Q

Vasoconstriction

A

to keep heat in

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10
Q

Blood plays an active role in

A

combating infection

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11
Q

All blood cells arise from

A

undifferentiated stem cells

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12
Q

Approximately——-of body weight

A

7%-10%

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13
Q

body weigh of cat and dog?

A

Dog/cat = 7%

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14
Q

Can safely draw——-of the blood volume every————

A

20% 3-4 weeks

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15
Q

If healthy, can draw no more than——- of the blood volume in 1 week

A

10%

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16
Q

If ill, can draw no more than——of the blood volume

A

5%

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17
Q

25% blood loss can lead to

18
Q

30% blood loss can lead to

A

irreversible shock and death

19
Q

Cellular Components

A

Erythrocytes, Leukocytes, Granulocytes, Agranulocytes, Thrombocytes

20
Q

Fluid Component

A

Plasma, Albumin, Fibrinogen

21
Q

Red plasma color:

A

Indicates hemolysis , May be due to a traumatic venipuncture or during transfer into the blood tube

22
Q

Extravascular

A

occurred outside of the blood vessel

23
Q

Intravascular

A

occurred inside the blood vessel

24
Q

Yellow plasma color:

A

Indicates the presence of bilirubin (icterus or jaundice)
Present in some forms of liver disease or bile duct obstruction
Degree of color change can be scored using the icterus index

25
Degree of color change can be scored using the icterus index score of:
Scored from 1 to 100 units
26
White plasma color:
Turbid plasma indicates lipemia May also be hemolyzed
27
Plasma Proteins are formed in the
lymphatic system and liver
28
The normal amount of plasma protein for canines
= 5.4 -7.7 g/dl
29
Due to the presence of fibrinogen, plasma protein concentration is usually ——-than serum protein concentration.
higher
30
Function of the Erythrocyte
The primary function of the RBC is gas transport: carrying oxygen and carbon dioxide.
31
The RBC serves as a
carrier of hemoglobin.
32
Most of the oxygen carried in the blood is carried by
hemoglobin within the RBC.
33
Blood color comes from
hemoglobin
34
In the lungs, hemoglobin combines readily with O2 to form a loose, unstable compound called
oxyhemoglobin
35
Very important in buffer system as it
resists changes in pH
36
Erythrocyte Size and Shape
Erythrocyte size is expressed in diameter (microns or micrometers). Erythrocytes are larger at birth.
37
The smaller the RBC,
the greater the number per unit volume of blood.
38
The mammalian RBC is
anuclear
39
Erythropoiesis
production of red blood cells
40
Required for Erythropoiesis
Iron, Copper, Cobalt