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Fundamentals of Cardiorespiratory system > Week 1 - Cardiovascular system: Blood > Flashcards

Week 1 - Cardiovascular system: Blood Flashcards

1
Q

Types of blood cells

A

Red
White
Platelets

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2
Q

RBC

A

carry oxygen

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3
Q

WBC

A

defense against infection and disease

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4
Q

Platelets

A

stops bleeding
creates the scabs
comes from bone marrow

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5
Q

Primary function of blood

A

deliver oxygen and nutrients
removes wastes from body cells

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6
Q

Other functions of blood

A

Defense
Heat distribution
maintenance of homeostasis

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7
Q

Maintenance of homeostasis

A

negative feedback loop
chemical balance

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8
Q

What does the negative feedback loop trigger

A

opposite response

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9
Q

Composition of blood

A

Erythrocytes
plasma
Hematocrit
Plasma proteins

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10
Q

Erythrocytes

A

RBC
comparatively fewer leukocytes & platelets

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11
Q

Plasma

A

fluid in which RBC, WBC, and platelets are suspended

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12
Q

Hematocrit

A

% of total sample comprised of erythrocytes

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13
Q

What % of plasma is made up of proteins

A

~7%

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14
Q

3 major groups of plasma proteins

A

Albumin
Globulins
Fibrinogen

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15
Q

Albumin

A

protein made by the liver
albumin levels show your liver and kidney functions

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16
Q

How does RBC transport O2

A

In the lungs, hemoglobin picks up O2
oxygenated Hb moves to body tissues where it unloads O2
blood becomes dark due to deoxygenation

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17
Q

Oxyhemoglobin

A

Hemoglobin oxygenated

18
Q

Deoxyhemoglobin

A

Deoxygenated hemoglobin

19
Q

Anemia

A

Not enough O2

20
Q

Polycythemia

A

Having dysregulated O2

21
Q

Shape and structure of RBC

A

biconcave discs
shallow centers
optimizes ratio of surface area to volume
enables them to fold up as they move through narrow blood vessels

22
Q

What is Hemoglobin made up of

A

protein & iron

23
Q

Chambers of heart

A

Right Atrium
Right Ventricle
Left Atrium
Left Ventricle

24
Q

Circuits in the body

A

pulmonary
systemic

25
Q

Right side of heart is for…

A

Lungs

26
Q

Left side of heart is for…

A

system

27
Q

Arteries

A

Carry oxygenated blood away from the heart

28
Q

Veins

A

Recover deoxygenated blood from body

29
Q

Sac surrounding heart

A

Fibrous Pericardium
Serous pericardium

30
Q

Serous Pericardium

A

Parietal layer
Visceral layer/epicardium

31
Q

Beneath sacs surrounding heart

A

Myocardium
Endocardium

32
Q

Myocardium

A

Muscle

33
Q

Endocardium

A

thin layer on inner wall
protector/lubricant for myocardium

34
Q

Internal structures of heart

A

Septum
Valves

35
Q

Septum of heart

A

Wall dividing heart into 4 chambers

36
Q

Valves

A

Atrioventricular valve
Aortic valve
pulmonary valve

37
Q

Atrioventricular valves

A

Tricuspid
bicuspid/mitral

38
Q

Cardiac muscle cells

A

Cardiomyocytes
dependent on aerobic metablolism

39
Q

Conduction system of heart

A

Has capability to beat on its own

40
Q

Components of conduction system

A

Sinoatrial node
Atrioventricular node
AV bundle
Bundle branches
Purkinje cells

Fundamentals of Cardiorespiratory system (4 decks)

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