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Anatomy Quiz 3 > Heart > Flashcards

Heart Flashcards

1
Q

What does the coronary sulcus separate?

A

Atria and ventricles

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2
Q

What does the interventricular sulcus separate?

A

Ventricles

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3
Q

What does the interatrial septum separate?

A

Atria

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4
Q

What does the interventricular septum separate?

A

Ventricles

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5
Q

What has both a muscular AND membranous component in the heart?

A

Interventricular septum

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6
Q

What sympathetic nerves innervate the heart?

A

Cardiac nerves

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7
Q

What parasympathetic nerves innervate the heart?

A

Vagus nerves

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8
Q

Where does the RA receive blood from?

A

SVC
IVC
Coronary sinus

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9
Q

How do the AV valves close?

A

Contraction of ventricles causes contraction of papillary muscles which push valves shut

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10
Q

What is the function of chordae tendinae?

A

Connect papillary muscles to AV valves

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11
Q

What is the function of the moderator band?

A

Connects papillary muscle to interventricular septum and helps with contraction

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12
Q

What is the conus arteriosus?

A

Infundibulum

Region before the pulmonary trunk in RV

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13
Q

How are the semilunar valves closed?

A

Passively closed when blood flows back and shuts cusps

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14
Q

Where is the apex?

A

Anterolateral

5th intercostal space

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15
Q

What comprises the apex?

A

LV

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16
Q

What three structures are found at the base?

A

LA
RA (little bit)
Vena Cavae and Pulmonary veins

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17
Q

Where does the base lie?

A

Posterior

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18
Q

What structures are on the right border?

A

SVC, IVC, RA

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19
Q

What structures are on the left border?

A

LV
Left auricle
Aortic arch

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20
Q

What structures are on the inferior border?

A

RV

LV

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21
Q

What makes up the anterior sternocostal surface?

A

RV

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22
Q

Where is the anterior sternocostal surface?

A

Posterior to sternum and costal cartilages

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23
Q

What makes up the posterior surface?

A

Base:

  • LA
  • SVC
  • IVC
  • Little bit of RA
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24
Q

What makes up the right pulmonary surface?

A

RA

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25
Q

What structure does the right surface touch?

A

Right lung

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26
Q

What makes up the left pulmonary surface?

A

LV

Left auricle

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27
Q

What structure does the left surface touch?

A

Left lung

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28
Q

What makes up the inferior surface?

A

RV

LV

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29
Q

What structure does the inferior surface touch?

A

Diaphragm

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30
Q

Where do the right and left coronary arteries branch from?

A

Ascending aorta

31
Q

Where do the right and left coronary arteries initially travel?

A

Coronary sulcus

32
Q

Where does the right coronary artery branch from?

A

Ascending aorta near right auricle

33
Q

Where does the right coronary artery travel?

A

In coronary sulcus between RA and RV

34
Q

What arteries does the right coronary artery branch into?

A

Sinoatrial nodal
Marginal
Posterior interventricular artery
Small AV nodal branch

35
Q

Where does the left coronary artery branch from?

A

Aortic arch posterior to pulmonary trunk

36
Q

What conduction structures does the right coronary artery supply?

A

SA node and AV node

37
Q

What conduction structure does the left coronary artery supply?

A

AV bundle and branches

38
Q

What does the left coronary artery branch into?

A

Anterior interventricular branch (Left anterior descending)

Circumflex branch

39
Q

Where does the left anterior descending branch travel?

A

Down anterior interventricular sulcus to the left ventricle

40
Q

Would you find the right or left coronary arteries in the anterior or posterior region?

A

Right- posterior

Left- anterior

41
Q

Where does the circumflex branch travel?

A

Along coronary sulcus on the left side but STOPS before it hits the posterior interventricular sulcus

42
Q

Where does most of the coronary blood drain?

A

Coronary sinus

43
Q

Where does the great cardiac vein originate?

A

Apex

44
Q

What are the cardiac veins?

A

Great, middle, small, anterior

45
Q

Where does the great cardiac vein travel?

A

From apex along anterior interventricular sulcus to coronary sulcus posteriorly to meet with the coronary sinus

46
Q

What vessels does the great cardiac vein travel with?

A

Left anterior descending artery/Anterior interventricular

Circumflex

47
Q

Where does the middle cardiac vein travel?

A

Posterior interventricular sulcus to coronary sinus

48
Q

What vessel does the middle cardiac vein travel with?

A

Posterior interventricular artery

49
Q

What vessel does the small cardiac vein travel with?

A

Marginal artery

50
Q

Where do the anterior cardiac veins travel?

A

RV to RA (NOT stopping at coronary sinus)

51
Q

Where is the PMI?

A

5th intercostal space midclavicular line in LV

52
Q

Where is the mitral valve heard best?

A

Apex

53
Q

Where is the aortic valve heard best?

A

Right 2nd intercostal space

54
Q

Where is the pulmonary valve heard best?

A

Left 2nd intercostal space

55
Q

Where is the tricuspid valve heard best?

A

Left 5th intercostal space

56
Q

Where is fossa ovalis located?

A

RA

57
Q

Where is the mitral valve located?

A

LA-LV

58
Q

Where are the pulmonary veins located?

A

LA

59
Q

Where is the crista terminalis located?

A

RA

60
Q

Where are the trabeculae carnae?

A

LV

RV

61
Q

Where is the aortic valve?

A

LV

62
Q

Where are the pectinate muscles?

A

LA

RA

63
Q

Where is the ostium for coronary sinus?

A

RA

64
Q

Where is the tricuspid?

A

RA to RV

65
Q

Where are the papillary muscles?

A

RV

LV

66
Q

Where are the chordae tendinae?

A

LV

RV

67
Q

Where is the valve of foramen ovale?

A

LA

68
Q

Where is the pulmonary valve?

A

RV

69
Q

Where is the moderator band?

A

RV

70
Q

Where is the IVC?

A

RA

71
Q

Where are the auricles?

A

RA

LA

72
Q

Where is the conus arteriosus?

A

RV

73
Q

What are the auricles?

A

Attachments to the atria that are primitive regions of atria and are reservoirs for blood

Anatomy Quiz 3 (4 decks)

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