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Anatomy And Physiology For Respiratory Care > Heart Anatomy > Flashcards

Heart Anatomy Flashcards

1
Q

What is the Apexof the heart?

A

The most inferior portion of the heart.

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2
Q

What is the base of the heart?

A

The most superior portion of the heart.

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3
Q
  1. What are the Great Vessels of the heart?
  2. What are they called Great Vessels?
A
  1. The aorta, pulmonary artieries, pulmonary veins, superior and inferior vena cava.
  2. Because they have the largest lumen, which is the cavity within the vessel that the blood runs through.
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4
Q

Identify the structure on number 7 and 20?

A

These are the Auricle of the left and right atrium.

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5
Q

What is the role of arteries?

A

To take blood away from the heart.

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6
Q

What is the role of veins?

A

Take blood back to the heart

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7
Q

Identify label 13?

A

Inferior Vena Cava

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8
Q

Identify label 2?

A

Superior Vena Cava

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9
Q

Identify label 5?

A

Pulmonary Trunk

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10
Q

Identify label 24?

A

The Aortic Arch

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11
Q

Identify label 21?

A

Left Pulmonary Veins

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12
Q

Identify label 6?

A

Right Pulmonary Veins

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13
Q

Identify label 22?

A

Left Pulmonary Artery

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14
Q

Identify label 3?

A

Right Pulmonary Artery

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15
Q

Identify label 16?

A

Great Cardiac Vein

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16
Q

Identify label 8?

A

Right Coronary Artery

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17
Q

Identify label 18?

A

Left Coronary Artery

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18
Q

Identify label 11?

A

Right Marginal Artery

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19
Q

Identify label 15?

A

Anterior Interventricular Artery

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20
Q

Identify label 12?

A

Small Cardiac Vein

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21
Q

Identify label 9?

A

Anterior Cardiac Vein

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22
Q

Identify labels 7 and 20?

A

The right and left atria respectively.

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23
Q

Identify labels 10 and 17?

A

The right and left ventricles respectively.

24
Q

What is the pathway of blood through the heart?

A

Superior/Infearior Vena Cava - Right Atrium - Tricuspid Valve - Right Ventricle - Pulmonay Semilunar Valve - Pulmonary Trunk - Pulmonary Arteries - Lungs - Pulmonary Veins - Left Atrium - Biscuspid Valve - Left Ventricle - Aortic Semilunar Valve - Aorta.

25
Q

What is the role of the valves?

A

To prevent the back flow of blood.

26
Q

What is the Myocardium?

A

This the muscular wall layer of the heart.

27
Q

Identify label 4 and 11?

A

Papillary Muscles

28
Q

Identify the white structure attached to label 4 and 10?

A

Chordae Tendineae

29
Q

Idenfify the structure under the arrow from label 5?

A

Interventricular Septum

30
Q

What is the Formaen Ovale?

A

A hole in the heart tissue that allows blood to flow between the heart’s left and right atria during fetal development.

31
Q

What is the Fossa Ovalis?

A

Depression in the right atrium that is a remnant of the foramen ovale.

32
Q

Identify label 3?

A

Right Atrioventricular Valve (Tricuspid)

33
Q

Identify label 10?

A

Left Atrioventricular Valve (Bicuspid)

34
Q

Identify label 12?

A

Aortic Semilunar Valve

35
Q

Identify label 5?

A

Pulmonary Semilunar Valve.

36
Q

What are Pectinate Muscles ?

A

These are ridges in the atria of the heart. Increases surface area.

37
Q

What are Trabeculae Carneae?

A

These are ridges in the ventricles of the heart. Increase surface area.

38
Q

What is Tachycardia?

A

Abnorminally fast heart rate. More than 100 beats per minute at rest.

39
Q

What is Fibrillation?

A

An uncoordinatation between atrial and ventricular contractions.

40
Q

What is Bradycardia?

A

A condition whre your heart beats abnormally slow, fewer that 60 beats per minute at rest.

41
Q

Identify number 1 and what does it represent?

A

P Wave: Depolarization of the atria.

42
Q
  1. Identify number 2, 4, and 3?
  2. What do the numbers represent?
A

QRS Waves: Depolarization of the ventricles and repolarization of the atria.

43
Q

Identify number 5, and what does it represent?

A

T Wave:Repolarization of the venticles.

44
Q

Why do we look at an EKG?

A

Is there a problem with the electrical conduction of the heart.

45
Q

What is the Sinoatrial (SA) Node?

A

This is the pacemaker where impulses are generated. It begins the depolarization in the right atrium.

46
Q

What is the Atrioventricular AV Node?

A

Impulses pause before being conducted to the AV bundle.

47
Q

What is the Atrioventricular Bundle?

A

Connects the atria to the ventricles.

48
Q

What are the Bundle Branches?

A

They conduct the impulses through the interventricular septum.

49
Q

What are the Purkinje Fibers?

A

Depolarizes the contractile cells in both ventricles. Also known as Subendocardial Conducting Cells.

50
Q

How do impulses travel through the heart.

A

SA Nodes - AV Nodes - AV Bundle - Bundle Branches - Purkinje Fibers

51
Q

What type of tissue lines the walls of the heart chambers?

A

Simple Squamous Epithial Tissue

52
Q

What is the Endocardocardium?

A

This is the layer of simple squamous epithial tissue that lines the chambers of the heart.

53
Q

What is the Epicardium?

A

This is the outer layer of the cells on the outside of the heart.

54
Q

What is the Anterior Interventricular Sulcus?

A

A depression located on the anterior of the heart between the left and right ventricles. It marks the division between the two ven tricks on the anterior of the heart.

55
Q

Identify label 15

A

Coronary Sinus

56
Q

Identify label 18?

A

Middle Cardiac Vein

57
Q

Identify label 17?

A

Posterior Interventricular Artery

Anatomy And Physiology For Respiratory Care (15 decks)

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