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A&P 2 LAB > Cardiovascular System Heart > Flashcards

Cardiovascular System Heart Flashcards

1
Q

Location of the heart?

A

Mediastinum

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2
Q

Pointed end of the heart.

A

Apex

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3
Q

What are the main structures of the heart? (5)

A
  • Pericardium
  • Wall
  • Chambers
  • Valves
  • Great vessels
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4
Q

3 parts that make up the parietal pericardium

A
  • Fibrous connective tissue
  • Mesothelium
  • Areolar tissue
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5
Q

Also called the epicardium

A

Visceral Pericardium

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6
Q

2 parts that make up the visceral pericardium.

A
  • Meosthelium

- Areolar tissue

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7
Q

Layers of the heart wall (3)

A
  • Epicardium
  • Myocardium
  • Endocardium
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8
Q

OUTER layer of heart wall also called visceral pericardium.

A

Epicardium

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9
Q

MIDDLE layer of heart wall that is composed of cardiac muscle tissue.

A

Myocardium

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10
Q

Thin DEEP layer of heart wall made up of simple squamouse endothelium and areolar tissue that lines the inside of the myocardium.

A

Endocardium

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11
Q

Chamber of the heart that receives deoxygenated blood from superior and inferior vena cava and the foramen of the coronary sinus.

A

Right Atrium

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12
Q

Chamber of the heart that receives oxygenated blood from two left and two right pulmonary veins.

A

Left Atrium

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13
Q

Chamber of the heart that pumps deoxygenated blood into the lungs.

A

Right Ventricle

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14
Q

Chamber of the heart that is a thicker ventricle and pumps oxygenated blood through the systemic circuit.

A

Left Ventricle

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15
Q

Separates the two atria.

A

Interatrial septum

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16
Q

Opening in the septum during fetal development.

A

Foramen ovale

17
Q

Small depression in the septum resulting from the closer of the foramen ovale after birth.

A

Fossa ovalis

18
Q

Muscles in anterior of atrial wall.

A

Pectinate muscles

19
Q

Expandable sections in both the left and right atria.

20
Q

Wall separating the two ventricles.

A

Interventricular septum

21
Q

Ridged inner surface of both ventricles

A

Trabeculae carneae

22
Q

Tendons that attach each cusp of the atrioventricular valves to the papillary muscles.

A

Chordae tendineae

23
Q

Muscles in ventricles which contract to tighten the chordae tendineae to limit the movements of the valves and anchor cusps of atrioventricular valves to heart wall.

A

Papillary muscles

24
Q

4 valves of the heart

A
  • Right atrioventricular valve
  • Left atrioventricular vavle
  • Pulmonary semilunar valve
  • Aortic semilunar valve
25
Q

Tricuspid valve

A

Right atrioventricular valve

26
Q

Biscupid valve or mitral valve

A

Left atrioventricular valve

A&P 2 LAB (8 decks)

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