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Anatomy > Heart > Flashcards

Heart Flashcards

1
Q

Where does the Superior Vena Cava drain into?

A

Right Atrium

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2
Q

Where does the Right Marginal Artery originate from?

A

Right Coronary Artery

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3
Q

What area/structure does the Anterior Interventricular Artery supply?

A

Anterior 2/3 of Inteventricular Septum
Anterior Ventricular Walls

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4
Q

Where does Superior Vena Cava come from?

A

Right and Left Brachiocephalic Veins

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5
Q

What is a branch/terminal branch of the Pulmonary Trunk?

A

Right and Left Pulmonary Arteries

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6
Q

What artery travels through the Anterior Interventricular Sulcus?

A

Anterior Interventricular Artery

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7
Q

What artery travels through Atrioventricular Sulcus?

A

Right Coronary Artery

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8
Q

What artery does the Anterior Interventricular Artery anastamose with?

A

Posterior Interventricular Artery

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9
Q

What is a branch/terminal branch of the Ascending Aorta?

A

Right and Left Coronary Arteries
Right Brachiocephalic Trunk
Left Common Carotid Artery
Left Subclavian Artery

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10
Q

What area does the SVC drain?

A

Head
Neck
Upper Limbs

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11
Q

What area/structure does the Pulmonary Trunk supply?

A

Lungs

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12
Q

Where does the Ascending Aorta originate from?

A

Left Ventricle

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13
Q

During fetal development, what is the purpose of the Ligamentum Arteriosum?

A

Shunts blood from the Pulmonary trunk to the Aorta, to bypass the lungs.

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14
Q

What area does the Inferior Vena Cava drain?

A

Lower body.
(Below the diaphragm.)

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15
Q

Where does the Pulmonary Veins drain into?

A

Left Atrium

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16
Q

What is a direct branch of the Aortic Arch?

A

Brachiocephalic Trunk
Left Common Carotid Artery
Left Subclavian Artery

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17
Q

Where does the Superior Vena Cava drain into?

A

Right Atrium

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18
Q

What is the embryological origin of ligamentum arteriosum?

A

Ductus Arteriosus

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19
Q

Where does the coronary sinus come from?

A

Great Cardiac Vein
Middle Cardiac Vein
Small Cardiac Vein

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20
Q

What area/structure does the pulmonary artery supply?

A

Lungs

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21
Q

Where does the pulmonary arteries originate from?

A

Pulmonary Trunk / Right Ventricle

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22
Q

Where does the IVC drain into?

A

Right Atrium

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23
Q

What area does the posterior interventricular artery supply?

A

Posterior 1/3 of the interventricular septum

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24
Q

Where does the middle cardiac vein come from?

A

Posterior cardiac muscles of the left and right ventricles.

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25
Q

Where does the middle cardiac vein drain into?

A

Coronary Sinus

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26
Q

Where does the right and left coronary arteries originate from?

A

Root of Aorta

27
Q

What area/structure does the right coronary artery supply?

A

Right Atrium
Right Ventricle
Posterior portion of the Interventricular Septum

28
Q

What artery does the posterior interventricular artery anastamose with?

A

Anterior Interventricular Artery

29
Q

What area/structure does the Left Marginal Artery supply?

A

Muscular wall of the Left Ventricle

30
Q

What area/structure does the left coronary artery supply?

A

Left Atrium
Left Ventricle
Part of Right Ventricle
Anterior 2/3 of the Interventricular Septum
Atrioventricular Bundle

31
Q

Which is a branch/terminal branch of the right coronary artery?

A

Right Marginal Artery
Posterior Interventricular Artery

32
Q

Where does the Left Marginal Artery originate from?

A

Left Circumflex Artery

33
Q

Where does the Anterior Interventricular Artery originate from?

A

Left Coronary Artery

34
Q

Where does the left coronary artery originate from?

A

Root of Aorta

35
Q

When does the right aortic cusp fill with blood?

A

When Aortic pressure is greater than Ventricular pressure.

36
Q

What muscles cause the left atrioventricular valve to close?

A

Papillary Muscle Contraction.

37
Q

Which artery does the circumflex artery anastomose with?

A

Right Coronary Artery

38
Q

During what stage of the cardiac cycle is the aortic valve open?

A

Ventricular Systole (contraction)

39
Q

What area/structure does the right marginal artery supply?

A

Anterior and Inferior surface of the right ventricle.

40
Q

What is the function of the anterior papillary muscle during ventricular systole?

A

Close the AV valve to prevent back-flow of blood into the atria.

41
Q

What directly innervates the Trabeculae Carnae?

A

Purkinje Fibers

42
Q

What is the function of the auricles?

A

Expand and increase the volume of atria to pump more blood during atrial systole.

43
Q

Which arteries directly supply the interventricular septum?

A

Anterior and Posterior Interventricular Arteries

44
Q

What is the function of Chordae Tendinae?

A

Anchor the leaflets of the AV valves to the papillary muscles to tightly close the valves.

45
Q

What two structures does the Right AV Valve (tricuspid valve) seperate?

A

Right Atrium and Right Ventricle

46
Q

What two chambers does the interatrial septum seperate?

A

Left and Right Atria

47
Q

During what phase of the cardiac cycle does the Pectinate Muscles contract?

A

Atrial Systole

48
Q

In which chamber can we find the approximate position of the SA node?

A

Right Atrium
In the Interatrial Septum

49
Q

In which chamber is the approximate position of the AV node found?

A

Right Atrium
In the interatrial septum

50
Q

Which chamber is the opening of the coronary sinus located in?

A

Right Ventricle
-Superior to the IVC opening
-Posterior to the AV valve
-Anterior/Inferior to the Fossa Ovalis

51
Q

What two structures does Crista Terminalis seperate?

A

Pectinate Surface and Sinus Venarum

52
Q

What is Sinus Venarum?

A

The smooth surface lining the majority of the atrium.

53
Q

What is the embryological origin of Fossa Ovalis?

A

Foramen Ovale

54
Q

Where is blood from the Left Ventricle sent during contraction?

A

Aorta

55
Q

What innervates the Anterolateral Papillary Muscle?

A

Purkinje Fibers

56
Q

What vessels drain into the Right Atrium?

A

Inferior Vena Cava
Superior Vena Cava
Coronary Sinus

57
Q

What vessels drain into the Left Atrium?

A

Left and Right Pulmonary Veins

58
Q

What would happen if Cordae Tendinae was damaged?

A

Back-flow of blood from ventricle to atria during ventricular contraction.

59
Q

Which two chambers does the Left AV Valve seperate?

A

Left Atrium and Left Ventricle

60
Q

What is the function of the Posteromedial Papillary Muscle during ventricular systole?

A

Close the AV valve.

61
Q

During what phase of the cardiac cycle does Pectinate muscle contract?

A

Atrial Systole

62
Q

During what phase of the cardiac cycle does the Trabeculae Carneae contract?

A

Ventricular systole.

63
Q

What directly innervates the Septal Papillary Muscle?

A

Purkinje Fibers

64
Q

What would happen if Chordae Tendineae was damaged?

A

Back-flow of blood from ventricle to atria during ventricular systole.

Anatomy (4 decks)

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