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Human Anatomy > Unit 4_The Heart & Great Vessles > Flashcards

Unit 4_The Heart & Great Vessles Flashcards

1
Q

What are the following parts included in?

  • Aortic arch
  • Superior vena cava
  • Ascending aorta
  • Right coronary artery
  • Right atrium
  • Right ventricle
A

Anterior Heart

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2
Q

What are the following parts included in?

  • Pulmonary veins
A

Posterior Heart

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3
Q

What do arteries and veins do in the heart?

A
  1. An artery carries blood away from the heart, no matter if it is oxygenated or not. (pulmonary arteries are deoxygenated)
  2. A vein carries blood towards the heart, no matter if it is oxygenated or not. (pulmonary veins are oxygenated)
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4
Q

What’s included in the right atrium of the right side of the heart where blood comes right from the body?

A

Right auricle

Fossa ovalis

Pectinate muscles (musculi pectinate)

Interatrial septum

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5
Q

Where are the following structures of the heart located?

Right atrioventricular valve (tricuspid valve)

Chordae tendinae

Papillary muscles

Trabeculae carnae

Moderator band

Conus arteriosus

Pulmonary semilunar valve

Cusps

Pulmonary trunk

Interventricular septum

A

Right ventricle of the heart

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6
Q

What’s included in the left artium of the left side of the heart?

A

Left auricle

Pectinate muscles

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7
Q

What’s included in the left ventricle of the left side of the heart?

A

Left Atrioventricular valve (bicuspid or mitral valve)

Chordae tendinae

Papillary muscles

Trabeculae carnae

Cusps

Aorta

Interventricular septum

Aortic semilunar valve

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8
Q

What do the following structures provide?

Right & left coronary aa.

Right marginal a.

Posterior interventricular a. (posterior descending)

Anterior interventricular a. (anterior descending)

Inferior interventricular a. (posterior descending)

Anterior interventricular a. (anterior descending)

Circumflex a. of the heart

Left marginal a.

A

Circulation to the heart

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9
Q

What’s a good landmark for looking at the posterior heart?

A

R/L pulmonary veins

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10
Q

What’s a good landmark for looking at the anterior heart?

A

Aortic arch

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11
Q

What are the big muscles of the heart?

A

Right/Left ventricles (particularly left ventricle)

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12
Q

What muscles are in the atria?

A

Pectinate muscles

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13
Q

What muscles are in the ventricles?

A

Papillary muscles

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14
Q

What holds the papillary muscles?

A

Chordae tendinae

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15
Q

How does blood leave the right ventricle?

A

Via the pulmonary semilunar valve

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16
Q

What is a little pocket for holding more blood?

A

Left auricle

17
Q

What pushes blood through our entire body?

A

Left ventricle

18
Q

What do the following structures provide?

Great cardiac v.

Middle cardiac v.

Small cardiac v.

Coronary sinus

A

Circulates the blood back to the lungs via the coronary sinus to the superior vena cava

19
Q

Where does the coronary sinus v drain into?

A

Inferior aspect of the right atrium

20
Q

The following are what structures of the heart?

Aorta (ascending, arch and descending)

Brachiocephalic trunk
- Right common carotid a.
- Right subclavian a.

Left common carotid a.

Left subclavian a.

Superior & inferior vena cava

Right & left pulmonary aa. & vv.

A

Great Vessels

21
Q

What is a health diagnostic tool that measures electricity of the heart?

A

EKG

22
Q

What are the steps of cardiac conduction (measured on EKG)?

A
  1. All four chambers relaxed; Atrioventricular Node valves open; ventricles filling
  2. Atrial systole completes ventricular filling
  3. Ventricles contract; Atrioventricular Node valves close; semilunar valves open; blood ejected into arteries
  4. Heart returns to initial state of relaxation and refills
23
Q

What initiates the cardiac conduction process?

A

Sinoatrial Node (SA)

24
Q

What are the arteries as part of the great vessels?

A

Aorta

Common carotid aa.

Brachiocephalic trunk

Descending thoracic aorta

25
Q

What are the veins as part of the great vessels?

A

Subclavian v.

Internal jugular v.

Superior & inferior vena cava

Right & left pulmonary aa. & vv.

Azygos v.

Accessory hemiazygos v.

Hemiazygos v.

26
Q

What’s included in the Hilum (the root of the lung)?

A

Pulmonary aa.

Superior pulmonary vv.

Inferior pulmonary vv.

Bronchi

27
Q

What is the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood?

A

Diastole

28
Q

What is the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries?

A

Systole

Human Anatomy (31 decks)

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