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Gross Anatomy > Block 4 - Heart Anatomy > Flashcards

Block 4 - Heart Anatomy Flashcards

1
Q

Fibrous sac surrounding the heart

A

Pericardium

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2
Q
A

Mediastiunum

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3
Q

Venous blood returns to the heart via the ____ & IVC and drains into the right atrium

A

Superior vena cava

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4
Q
A

Aorta

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5
Q

posterior to pulmonary trunk

A

4 pulmonary Veins

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6
Q

After blood enters the ____ ____ it flows into the right ventricle

most medial

A

Right atrium

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7
Q

Blood leaves the right ventricle and enters the

most anterior

A

Right ventricle

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8
Q

leaves right ventricle carrying deoxygenated blood
high pressure system

A

Pulmonary trunk

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9
Q

return oxygenated blood to left atrium
low pressure system

posterior to pulmonary trunk

A

4 pulmonary veins

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10
Q

Receives oxygenated blood from the
lungs via the pulmonary veins

most posterior

A

Left atrium

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11
Q
A

Left ventricle

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12
Q

Blood leaves the heart via ____ to profuse the rest of the body

A

Aorta

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13
Q

The heart is profused by two main arteries that branch off the aorta

A

Right Coronary A.
Left Coronary A.

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14
Q
  • emerges from the right side of the aorta
  • between the right atrium and right ventricle

Anterior aspect of heart

A

Right coronary A.

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15
Q
  • arises from the left side of the aorta, passes posterior to the pulmonary trunk
A

Left coronary A.

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16
Q

Branch of right coronary artery

A

Posterior interventricular A.

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17
Q
  • Branch of Left coronary A.
  • Circumflex artery supplies the left atrium and the left posterior ventricle
A

Left circumflex branch of left coronary artery

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18
Q
  • Branch of Left coronary artery
  • “Widowmaker”*
A

Left anterior interventricular A.

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19
Q

Three main cardiac veins drains into the ______ ______

Posterior aspect of heart

A

Coronary sinus

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20
Q

The blood from the coronary sinus empties into which chamber of the heart?

A

Right atrium

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21
Q

The ____ cardiac vein empties blood into the coronary sinus

A

Middle cardiac V.

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22
Q

____ cardiac vein runs along the side of the right coronary artery and drains into the coronary sinus

A

Small cardiac V.

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23
Q

Posterior aspect

A

Right coronary A.

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24
Q
A

Great cardiac V.

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25
Q

Delivers venous (deoxygenated) blood to coronary sinus

Travels lateral to posterior

A

Great cardiac V.

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26
Q

Identify what side of the heart is shown

A

Anterior surface of heart

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27
Q

Identify what side of the heart is shown

A

Posterior surface of heart

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28
Q

These two vessels empty venous (deoxygenated) blood into the right atrium

A
  1. SVC
  2. IVC
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29
Q

Identify the chamber

A

Right atrium

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30
Q

first electrical stimulus

A

Sinoatrial (SA) node

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31
Q

Inferior to the SA node within right atrium

A

Fossa Ovalis

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32
Q

Inferior to fossa ovalis within right atrium

A

Opening of coronary sinus

33
Q

Parallel muscular ridges in the walls of the atria of the heart

A

Pectinate mm

34
Q

Muscular ridge that separates smooth from rough portions of
chamber

A

Crista terminalis

35
Q
  • Largest of the four heart valves
  • Blood from right atrium through this valve to right ventricle
A

Tricuspid valve

36
Q

Posterior aspect of heart inferior to tricuspid valve

A

Right ventricle

37
Q
A

Trabeculae carneae

38
Q
A

Papillary mm

39
Q

fine strands of connective tissue attaching the papillary muscles to the inferior surface of the rough zone of the leaflets

A

Chordae tendineae

40
Q

Anterior aspect

A

Right ventricle

41
Q

prevents regurgitation of blood back into the right ventricle

A

Pulmonary (semilunar) valve

42
Q

leaves right ventricle carrying deoxygenated blood

A

Pulmonary trunk

43
Q

Blood enters pulmonary trunk and enters these two vessels

A

1) Left pulmonary A.
2) Right pulmonary A.

44
Q

Identify valves

A

4 Pulmonary V.

45
Q
A

Left atrium

46
Q

Located in left atrium

A

Opening to left auricle

47
Q

In front of root of aorta

A

Left auricle

48
Q
  • assists in preventing mitral regurgitation during systole
  • Blood from LA travels through to LV
A

Mitral (bicuspid) valve

49
Q

Notice the thickness of the walls

A

Left ventricle

50
Q

Identify the valve within the aorta

A

Aortic (semilunar) valve

51
Q

vale closes preventing blood flow back into the ventricle…and blood under low pressure also enters the coronary arteries

A

Aortic (semilunar) valve

52
Q
  • delays the electrical activity for a few hundredths of a second **before allowing it to pass into the ventricles **
  • allows proper systole of the atria
A

AV node

53
Q
A

Superior Vena Cava

54
Q
A

Aorta

55
Q
A

Pulmonary trunk

56
Q
A

Aortic arch

57
Q
  • Vessel off aorta
  • Gives rise to R. common carotid and R. subclavian artery
A

Brachiocephalic Atery/Trunk

58
Q
A

Right Subclavian A.

59
Q
A

Right Common Carotid A.

60
Q

Vessel off aorta

A

Left Common Carotid A.

61
Q

Vessel off aorta

A

Left Subclavian A.

62
Q
A

Trachea

63
Q
A

Right Brachiocephalic V.

64
Q
A

Left Brachiocephalic V.

65
Q
A

Ascending Aorta

66
Q

No function in adults but important in infants

A

Ligamentum Arteriosum

67
Q
A

Left ventricle

68
Q
A

Right ventricle

69
Q
A

Right marginal A.

70
Q
A

Right auricle

71
Q
A

Inferior vena cava

72
Q
A

Inferior vena cava

73
Q

The superior vena cava is positioned ____ to the ascending aorta

A

lateral (right)

74
Q

The descending (thoracic) aorta passes ____ to the left main bronchus

A

posterior

75
Q

The descending (thoracic) aorta is positioned ____ to the pericardial sac

A

posterior

76
Q

The descending (thoracic) aorta is positioned to the ____ of the vertebral column

A

left (lateral)

77
Q

The inferior vena cava is positioned to the ____ of the descending aorta

A

right

78
Q

The inferior vena cava passes ____ to the liver and is positioned ____ to the caudate lobe

A

posterior
lateral

Gross Anatomy (15 decks)

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