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Cardiology I > anatomy of the heart > Flashcards

anatomy of the heart Flashcards

1
Q

what are the two categories of sulci the heart?

A

coronary and interventricular

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2
Q

what does the coronary sulcus divide?

A

atrium and ventricles

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3
Q

what does the interventricular sulcus divide?

A

ventricles

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4
Q

what are the two interventricular sulci?

A

anterior and posterior

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5
Q

what are the three branches of the left coronary artery?

A
  1. circumflex branch 2. marginal branch 3. left anterior descending artery
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6
Q

what are the three branches of the right coronary artery?

A
  1. marginal 2. branch to the SA node 3. posterior descending interventricular artery
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7
Q

what are the two layers of the pericardium?

A

serrous and fibrous

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8
Q

what layers make up the serrous pericardium?

A

visercal which adheres to the heart and parietal which adheres to the surface of the fibrous pericardium

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9
Q

what does the right coronary artery supply?

A
  1. SA node 2. right atrium 3. right ventricle 4. AV node 5. L ventricle 6. L atrium 7. inreratrial septum 8. IV septum
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10
Q

what does the left coronary artery supply?

A
  1. AV branches/bundles 2. left atrium 3. left ventricle 4. IV septum
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11
Q

____ percentage of people have right dominant coronary circulation

A

85%

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12
Q

____ percentage of people have right dominant coronary circulation

A

8%

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13
Q

____ percentage of people have codominant coronary circulation

A

7%

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14
Q

right-dominant left-dominant coronary artery circulation _______ arises from the ______

A

posterior descending artery arises from the right coronary artery

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15
Q

left-dominant coronary artery circulation _______ arises from the ______

A

posterior descending artery arises from the left coronary artery

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16
Q

co-dominant coronary artery circulation _______ arises from the ______

A

posterior descending artery arises from the right and the left coronary artery

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17
Q
A

right posterior descending interventricular artery

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18
Q
A
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19
Q
A

1 and 2- coronary sulcus

3- interventricular sulcus

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20
Q
A
  1. pericardium
  2. myocardium
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21
Q
A
  1. brnahc to SA node

right coronary artery

  1. marginal artery
22
Q
A
  1. great cardiac vein
  2. posterior cardiac vien
  3. small cardiac vein
  4. middle cardiac vein
  5. coronary sinus
23
Q

what surface is presented?

A

diaphragmatic surface

24
Q

what surface is presented?

A

sternocostal surface

25
Q
A

great cardiac vein

26
Q
A

left marginal branch

27
Q
A

left coronary artery

  1. left anterior descending coronary artery
  2. circumflex coronary artery
28
Q

septomarginal trabecula consists of _____ and ______

A

moderator band and septal limb

29
Q

the moderator band carries ______ to the right ventricle

A

conduction

30
Q

what is composed of the cardiac skeleton

A

the plane of the heart that has all four valves

31
Q
A

left ventricle

32
Q
A

right ventricle

33
Q
A

left atrium

34
Q
A

right atrium

35
Q
A

valve of foramen ovale

36
Q
A
  1. mitral valve
  2. chordae tendineae
  3. papillary muscle anterior and posterior
37
Q
A

pulmonary semilunar valve

38
Q
A
  1. interaterial septum
  2. limbus
  3. fossa ovalis
  4. sinus venarum
  5. right auricle
  6. cristia terminalis
  7. pectinate muscles
  8. tricuspid valve
  9. opening of coronary sinus
39
Q
A
  1. coronary sulcus
  2. anterior interventricular sulcus
40
Q
A
  1. supraventricular crest
  2. trabeculae carneae
  3. septal limb
  4. moderator band
41
Q
A
  1. anterior papillary muscle
  2. posterior papillary muscle

mitral valve chordae tendieae

42
Q

the pulmonary vavle is right of the ____ intercoastal space and the aortic vavle is just left of the ______ intercoastal space; the mitral valve is heard in the _____ intercoastal space

A

2nd; 5th

43
Q

the conduction system _____ and ____ the heart contraction

A

initiates and coordinates

44
Q

the lub is the S1/S2 sound and it is the simutaneous closing of the ________ valves

A

S1; tricuspid and mitral

45
Q

the dub is the simutaneous closing of the _____ valves and is the S1/S2

A

S2; semilunar valves

46
Q
A
  1. SA node
  2. AV node
  3. AV bundle (bundle of his)
  4. purkinje fibers
47
Q

the ______ plexus innervates the heart

A

cardiac

48
Q
A
49
Q
A
50
Q
A
51
Q
A

Cardiology I (5 decks)

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