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anatomical direction > CARDIOVASCULAR SYSTEM: BLOOD and HEART > Flashcards

CARDIOVASCULAR SYSTEM: BLOOD and HEART Flashcards

(58 cards)

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1
Q

Functions Of Blood

A

TRANSPORT
(oxygen, nutrients, hormones and enzymes metabolic waste, carbon dioxide, nitrogenous wastes)
PROTECTION
(WBCs, antibodies, clotting)
REGULATION
(body temperature, fluids and pH)

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2
Q

Haemopoiesis produces…?

A

BLOOD CELLS

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3
Q

Erythropoiesis

A

Production of RBCs

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4
Q

Leucopoiesis

A

Production of WBCs

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5
Q

Thrombopoiesis

A

Production of platelets

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6
Q

Howell-Jolly bodies

A

fine threads of nucleus remnants (mature RBCs)

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7
Q

When are mature erythrocytes released into the circulation

A

after 4-7 days

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8
Q

what type of tissue is blood

A

connective tissue

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9
Q

What is he pH of blood

A

7.4

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10
Q

what percentage of blood does the body make up?

A

7%

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11
Q

What Is Blood Made Of?

A

plasma 55%
WBC’s/platelets <1%
RBC’s 45%

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12
Q

Difference between Plasma & Serum

A

When the plasma uses the clotting factors the plasma
becomes serum

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13
Q

haemoglobin is a

A

Protein

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14
Q

Lifespan of RBCs

A

Life span 120 days

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15
Q

Leucocytes AKA

A

WBC

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16
Q

Are WBC Nucleated?

A

Yes

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17
Q

3 types of Granulocytes?

A

Eosinophil
Neutrophil
Basophil

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18
Q

Granulocytes characteristics

A

Segmented or lobed nuclei
Granules in cytoplasm

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19
Q

Most common granulocyte

A

Neutrophil

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20
Q

Neutrophil characteristics and function

A

Segmented nucleus
Granulated cytoplasm
Engulf bacteria and debris

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21
Q

Eosinophil characteristics and function

A

Granulated cytoplasm
nucleus 2 lobes

Regulate allergic and inflammatory
processes

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22
Q

Basophil

A

Nucleus with separated lobes
Secrete Histamine & Heparin

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23
Q

The 2 types of Agranulocytes

A

Lymphocytes
Monocytes

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24
Q

Lymphocytes

Study These Flashcards
A

Agranulated cytoplasm
Important cells in specific immune response

25
Monocytes nucleus characteristics
Oval, or horse shoe shaped nucleus
26
Where are monocytes produced
bone marrow
27
Where are platelets/Thrombocytes made
bone marrow
28
Lifespan of platelets
10 days
29
What is a PCV
Packed Cell Volume Measurment of the percentage of red blood cells in blood
30
Normal PCV for dogs and cats
Dog = 45% Cat = 35%
31
equation for PCV
Length of column (RBC)/ length of column x 100 = PCV %
32
What vitamin from the liver is needed for blood clotting
Vitamin K
33
where along the ribs is the heart located
3rd and 4th ribs
34
what are the 4 layers of the heart
* Endocardium (Inside layer of heart) * Myocardium (muscular layer of heart * Epicardium (outside layer of heart) * Pericardium (sac enclosing heart)
35
What side of the heart contains oxygenated blood
left
36
What side of the heart contacins deoxygenated blood
Right
37
Atria
upper chambers of heart
38
ventricles
lower chamber of the heart
39
Deoxygenated blood from the body enters the heart into..
right atrium through the vena cava
40
the right ventricle which also contracts and forces blood out of the heart into the artery leading to the lungs called
The pulmonary artery
41
Oxygenated blood from the lungs enters the
Left atrium through the pulmonary vein
42
The left ventricle forces blood through the...?
Aorta
43
Name a heart Valve Disease
Pulmonic Stenosis
44
Diastole
atria & ventricles relax
45
Atrial systole
atria contracts, ventricles relax
46
Ventricular systole
atria relax & ventricles contract
47
sinoatrial node location
Left ventricle wall
48
Purpose of sinoatrial node
Starts heart beat
49
atrioventricular node location
Found at top of interventricular septum
50
bundle of His
nervous Fibres running length of heart septum (Assists with contraction)
51
Purkinje’s fibres
neurons in Heart wall (Assists with contraction)
52
what is an Electrocardiogram (ECG) used for?
Measure electrical activity in the heart
53
what is a Holter Monitor used for
Measure electrical activity in the heart (24 hour ECG)
54
On an ECG what is a P- Wave
When the atria is contracting
55
On an ECG what is the QRS wave
When the ventricles are activated
56
On an ECG what is the T wave
When the heart recovers
57
LUB
closing of AV valves: beginning of systole
58
DUB
closing of semilunar valves: end of systole

anatomical direction (21 decks)

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