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Anatomy > Notes Quiz > Flashcards

Notes Quiz Flashcards

1
Q

What does the Cardiovascular system consist of

A

Heart, arteries, veins, capillaries

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2
Q

Four chamber muscular organ

A

Heart

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3
Q

Comparable to the size of a closed fist

A

Heart

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4
Q

Where is the heart located

A

Mediastinum

  • Behind Sternum
  • Between 2nd and 6th ribs
  • Between T5-T8
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5
Q

Base of the heart

A

Apex

-Located at the 5th intercostal space

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6
Q

Loose fitting sac surrounding the heart

A

Pericardium

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7
Q

Tough, loose-fitting, inelastic

A

Fibrous-Pericardium

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8
Q

Lines the inside of the fibrous pericardium

A

Parietal layer

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9
Q

Between parietal and visceral layer, filled with 10-15ml of pericardial fluid, decreases friction

A

Pericardial space

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10
Q

Adheres to the outside of the heart

A

Visceral layer

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11
Q

Outer layer

A

Epicardium

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12
Q

Serous pericardium

A

Epicardium

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13
Q

Thick, contractile layer composed of cardiac muscle cells

Intercalated disks contain many gap junctions, allow cardiac muscle cells to function as a single unit (syncytium)

A

Myocardium

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14
Q

Two superior chambers, receiving chambers, blood from veins enter here

A

Atria

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15
Q

Two inferior chambers, pumping chambers, thick muscular walls to increase force of pumping action, separated by inter ventricular septum
*Left>Right

A

Ventricles

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16
Q

Permits blood flow in one direction during circulation

A

Valves of the heart

17
Q

Also cuspid valves,between atria and ventricles

A

Atrioventricular Valves (AV Valves)

18
Q

Between R ventricle and pulmonary arteries and L ventricle and aorta

A

Semilunar (SL Valves)

19
Q

-Atrioventricular Valves
Between R atrium and ventricle
3 flaps of endocardium
Connected to ventricular papillary muscle via chordae tendinae

A

Tricuspid Valve

20
Q

-Atrioventricular Valve
Between L atrium and ventricle
Also called mitral valve
Two flaps of endocardium

A

Bicuspid valve

21
Q

Between R ventricle and pulmonary trunk

A

Pulmonary semilunar valve

22
Q

Between L ventricle and aorta

A

Aorta Semilunar Valve

23
Q

Interior of cardiac wall

  • endothelial tissue
  • covers projections of myocardial tissue called trabeculae
A

Endocardium

24
Q

Another name for cardiovascular system

A

Circulatory System

Anatomy (6 decks)

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