Supply, Drainage, And Innervation Flashcards

0
Q

What are the branches of the R coronary A?

A

Sinuatrial nodal
R marginal
Atrioventricular nodal
Posterior interventricular

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1
Q

Where will the R coronary artery anastomose with the L coronary artery?

A

Posterior interventricular groove

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2
Q
The following are branches of what artery?
Sinuatrial nodal
R marginal
Atrioventricular nodal
Posterior interventricular

A. R coronary
B. L coronary

A

B. L coronary

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3
Q

Supplies the SA Node and Pulmonary trunk?

A. Sinuatrial nodal
B. R marginal
C. Atrioventricular nodal
D. Posterior interventricular

A

A. Sinuatrial nodal

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4
Q

Supplies the apex and the R ventricle?

A. Sinuatrial nodal
B. R marginal
C. Atrioventricular nodal
D. Posterior interventricular

A

B. R marginal

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5
Q

Supplies the R and L ventricles and posterior third of the IVS?

A. Sinuatrial nodal
B. R marginal
C. Atrioventricular nodal
D. Posterior interventricular

A

D. Posterior Interventricular

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6
Q

Supplies the atrioventricular mode?

A. Sinuatrial nodal
B. R marginal
C. Atrioventricular nodal
D. Posterior interventricular

A

C. Atrioventricular nodal

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7
Q

What branch of the R coronary artery anastomose with a branch of the L coronary artery?

A

Posterior interventricular anastomose with the anterior interventricular

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8
Q
Supplies the following:
Most of the R ventricle
L ventricle (diaphragmatic surface)
SA Node (60%)
AV Node (80%)

A. R coronary
B. L coronary

A

A. R coronary

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9
Q

Runs in the coronary groove
A. R coronary
B. L coronary

A

B. L coronary

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10
Q

Branches of the L coronary artery

A

Anterior interventricular/L anterior descending

Circumflex branch

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11
Q

Also known as the anterior interventricular branch

A

L anterior descending

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12
Q

Supplies the R and L ventricles and anterior 2/3 of the IVS
A. Anterior Interventricular
B. Circumflex branch

A

A. Anterior interventricular

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13
Q

The anterior interventricular artery gives off what branch?

A

Lateral diagonal branch

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14
Q

The lateral diagonal artery is a branch of?
A. Anterior interventricular
B. Circumflex branch

A

A. Anterior interventricular

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15
Q

Follows the coronary groove posteriorly
A. Anterior interventricular
B. Circumflex branch

A

B. Circumflex

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16
Q

Supplies the L atrium and L ventricle
A. Anterior interventricular
B. Circumflex branch

A

B. Circumflex

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17
Q

Anastomose with the right coronary artery
A. Anterior interventricular
B. Circumflex branch

A

B. Circumflex

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18
Q

Branch of the circumflex artery that supplies the L ventricle

A

L marginal artery

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19
Q

The L marginal artery anastomoses with?

A

Interventricular branches

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20
Q
What supplies the following:
L atrium
Most of L ventricle
Most of IVS
Part of R ventricle, AV Bundle and SA Node (40%)

A. R coronary a
B. L coronary a

A

B. L coronary a

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21
Q

Condition: lipid accumulations on internal wall of coronary arteries resulting to stenosis of the lumina of the coronary arteries

A. Atherosclerosis
B. Angina Pectoris
C. MI

A

A. Atherosclerosis

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22
Q

Condition: pain originating from heart tightens in thorax and deep to sternum. Characterized as ischemia of myocardium.

A. Atherosclerosis
B. Angina Pectoris
C. MI

A

B. Angina Pectoris

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23
Q

Condition: caused by narrowed and hardened coronary arteries that is relieved by rest and intake of NITROGLYCERIN

A. Atherosclerosis
B. Angina Pectoris
C. MI

A

B. Angina Pectoris

24
Q

Condition: occlusion of a major artery by an embolus

A. Atherosclerosis
B. Angina Pectoris
C. MI

A
C. MI
- common sites:
LAD 40-50%
RCA 30-40%
Circumflex 15-20%
25
Q

Procedure wherein a catheter is passed with a small inflatable balloon into the obstructed coronary artery

A

Percutaneous transluminal coronary angioplasty

26
Q

In doing coronary artery bypass graft, what vein is usually harvested?

A

Great saphenous vein

27
Q

Why is the great saphenous vein usually harvested?

A

Diameter equal to coronary arteries
Easily dissected
Lengthy portions

28
Q

Main vein of the heart that runs from the L to R in the posterior part of the coronary groove

A

Coronary Sinus

29
Q

The Coronary Sinus receives what veins?

A
Great cardiac
Middle cardiac
Small cardiac
L posterior ventricular
L marginal
30
Q

Main tributary of the coronary sinus

A. Great cardiac
B. Middle cardiac
C. Small cardiac
D. L posterior ventricular
E. L marginal
A

A. Great Cardiac Vein

31
Q

Drains most of the L atrium and ventricle, IVS, and AV Bundle

A. Great cardiac
B. Middle cardiac
C. Small cardiac
D. L posterior ventricular
E. L marginal
A

A. Great Cardiac

32
Q

Accompanies the posterior interventricular artery

A. Great cardiac
B. Middle cardiac
C. Small cardiac
D. L posterior ventricular
E. L marginal
A

B. Middle cardiac

33
Q

Drains most of the areas suppled by the R coronary

A. Great cardiac
B. Middle cardiac
C. Small cardiac
D. L posterior ventricular
E. L marginal
A

B. Middle cardiac

34
Q

Empties in the coronary sinus

A. Great cardiac
B. Middle cardiac
C. Small cardiac
D. L posterior ventricular
E. L marginal
A

B. Middle Cardiac

35
Q

Accompanies the R marginal branch of the RCA

A. Great cardiac
B. Middle cardiac
C. Small cardiac
D. L posterior ventricular
E. L marginal
A

C. Small cardiac

36
Q

Drains most of the areas supplied by the R coronary artery

A. Great cardiac
B. Middle cardiac
C. Small cardiac
D. L posterior ventricular
E. L marginal
A

C. Small cardiac

37
Q

Usually enter directly into the R atrium
A. Anterior Cardiac vein
B. Posterior Cardiac vein

A

A. Anterior Cardiac vein

38
Q

Located at the junction of the SVC and R atrium
A. SA Node
B. AV Node

A

A. SA Node

39
Q

Pacemaker of the heart
A. SA Node
B. AV Node

A

A. SA Node

40
Q

What artery supplies the SA Node?

A

Sinuatrial nodal artery

41
Q

Gives off an impulse 70 times per minute
A. SA Node
B. AV Node

A

A. SA Node

42
Q

Located at the postero-inferior region of the interatrial septum near the opening of the coronary sinus
A. SA Node
B. AV Node

A

B. AV Node

43
Q

The AV Node transmits signals to the ventricle via?

A

AV Bundle

44
Q

What supplies the AV Node?

A

Atrioventricular nodal artey

45
Q

Divisions of the AV Bundle

A

R and L bundles

46
Q

The AV Bundle divides into R and L bundles at what junction?

A

Junction of muscular and membranous parts of the septum

47
Q

The R and L bundles ramify into what?

A

Subendocardial branches / purkinje fibers

48
Q

Other name for the purkinje fibers

A

Subendocardial bramches

49
Q

Stimulates the muscle of the IVS, ANTERIOR papillary muscle through the moderator band, and wall of RIGHT ventricle

A. R purkinje fiber
B. L purkinje fiber

A

A. R purkinje fiber

50
Q

Stimulates the IVS, ANTERIOR AND POSTERIOR papillary muscles and the wall of the LEFT ventricle

A. R purkinje fiber
B. L purkinje fiber

A

B. L purkinje fiber

51
Q

Increases heart rate

A. Sympathetic
B. Parasympathetic

A

A. Sympathetic

52
Q

Increase force of contraction

A. Sympathetic
B. Parasympathetic

A

A. Sympathetic

53
Q

Increase blood flow to the coronary arteries

A. Sympathetic
B. Parasympathetic

A

A. Sympathetic

54
Q

Increase impulse conduction

A. Sympathetic
B. Parasympathetic

A

A. Sympatetic

55
Q

Slows heart rate

A. Sympathetic
B. Parasympathetic

A

B. Parasympathetic

56
Q

Reduces force of contraction

A. Sympathetic
B. Parasympathetic

A

B. Parasympathetic

57
Q

Constricts the coronary arteries

A. Sympathetic
B. Parasympathetic

A

B. Parasympathetic

58
Q

Decreases atrial contractility

A. Sympathetic
B. Parasympathetic

A

B. Parasympathetic