Anatomy Year 1 > CVS workbook 2 > Flashcards

CVS workbook 2 Flashcards

(90 cards)

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1
Q

How many papillary muscles are found in the left ventricle?

A

Two

for the bicuspid (mitrial valve)

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2
Q

What is the function of the papillary muscles?

A

Prevent leakage/regurgitation through AV valves (ensure blood flows in one direction)

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3
Q

The blood drained by the cardiac veins (veins around heart) almost entirely drains into where?

A

The coronary sinus (wide venous channel on posterior surface of the heart) lies just below the left atrium - which in turn feeds into the right atrium

except for anterior veins

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4
Q

a.b.c

A

a. pulmonary trunk
b. aorta
c. right coronary artery - runs in right atrioventricular groove, along the back of heart and terminates at the right interventricular artery

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5
Q

what blood vesse runs in the right atrioventricular groove?

A

right coronary artery

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6
Q

what blood vessel runs within the left atrioventricular groove?

A

Left circumflex artery

coronary sinus

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7
Q

Where does the coronary sinus end

A

underside of the right atrium (just below opening for IVC)

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8
Q

X

A

coronary sinus

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9
Q

The coronary arteries and cardiac veins are embedded in what layer of the heart wall?

A

Epicardium

usually surrounded by varying amounts of fat

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10
Q

When the anterior interventricular groove continues onto the diaphragmatic surface of the heart it is called?

A

posterior interventricular groove

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11
Q

A and B

A

A - atrioventricular groove

B - anterior interventricular groove

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12
Q

where do coronary veins return blood?

A

coronary sinus -> right atirum

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13
Q

label a.

A

left coronary artery

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14
Q

label b

A

LEFT anterior interventricular artery (descending artery)

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15
Q

c.

A

circumflex artery

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16
Q

d.

A

posterior vein

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17
Q

e.

A

Small cardiac vein

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18
Q

f.

A

right coronary artery

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19
Q

g.

A

middle cardiac vein

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20
Q

h

A

circumflex artery

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21
Q

i

A

posterior interventricular artery

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22
Q

k

A

coronary sinus

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23
Q

what vein does not drain directly into coronary sinus?

A

Anterior vein (drains directly into right atrium)

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24
Q

a

A

anterior vein

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25
A and B
A. right coronary artery B. right marginal artery supply the RA/RV and SA/AV nodes
26
Two main branches of the right coronary artery
1. right marginal artery (small cardiac veins) 2. right posterior interventricular artery (middle cardiac vein) right -> RPM
27
2 main branches of the left coronary artery
1. left anterior interventricular artery or LAD (great cardiac vein) 2. left circumflex left -> LAC
28
a, b, c
a. right marginal artery b. small cardiac vein c. anterior veins
29
The right posterior interventricular artery is drained by what vein
middle cardiac vein
30
Great cardic vein travels with what artery
left anterior interventricular artery/circumflex
31
what 3 veins drain into coronary sinus
small (right marginal artery) middle (right posterior interventricular) great (left anteior interventricular) cardiac veins
32
in which part of the aorta is are the sinuses found?
ascending aorta
33
the left and right coronary arteries arise from?
left and right coronary sinuses (small openings found within the aorta behind the left and right flaps of the aortic valve)
34
a-e
a. right coronary artery b. right marginal c. left coronary artery d. left marginal e. left anterior interventricular or LAD
35
name branches of Left coronary artery
1. left anterior interventricular (LAD) 2. left marginal artery 3. left circumflex artery
36
branches of right coronary artery
right marginal artery right posterior interventricular artery
36
branches of right coronary artery
right marginal artery right posterior interventricular artery
37
a and b
a. small cardiac vein b. great cardiac vein
38
label veins
a. great cardiac vein b. left marginal vein c. coronary sinus d, middle cardiac vein e. small cardiac vein f . left posterior vein
39
what parts of the heart does the left circumflex artery supply?
Left atrium and left ventricle
40
What parts of the heart does the RCA supply?
right atrium and right ventricle
41
what part of heart does left anterior interventricular artery supply?
LV AND RV interventricular septum
42
what part of heart does Left marginal artery supply
left ventricle
43
what part of the heart does the right marginal artery supply?
RV and the apex
44
Posterior interventricular artery supplies what areas of heart?
RV , LV interventricular septum
45
what are the valves of heart composed of
endothelium and endocardium (inner layer of the heart)
46
label a- c
a. lunule (edge of leaflet) b. nodule (midline of leaflet - widest point) c. aortic sinus
47
label d and e
d. left coronary artery - arises from left aortic sinus e. right coronary artery - airses from right aortic sinus
48
What are the 2 main branches given off by the RCA?
- Right marginal artery - Right posterior interventricular artery
49
What are the 2 main branches given off by the LCA?
- Left anterior interventricular artery. - Left circumflex artery.
50
The posterior interventricular artery descends in the interventricular sulcus towards the apex of the heart. When it reaches the apex it anastomoses with the?
anterior interventricular artery, a branch of the left coronary artery.
51
The posterior interventricular branch of the RCA anastomoses with which branch of the LCA?
left Anterior interventricular artery
52
the RCA continues towards the left in the coronary groove posteriorly and anastomoses with which branch of the LCA?
circumflex
53
there is an anastomosis between the circumflex artery (a branch of the left coronary artery) and the right coronary artery in the?
artioventricular groove
54
the circumflex artery anastomoses with what artery in the atrioventricular groove?
right coronary artery
55
the posterior interventricular branch of RCA anastomoses with what branch of LCA?
left anterior interventricular artery
56
The right marginal artery supplies
RV wall does not anatomose with any other branch
57
The coronary arteries are “end arteries”. What is meant by the term “end artery”?
Arteries which do not anastomose with their neighbors There is no collateral circulation present
58
anterior interventricular artery supplies
The left and right ventricle interventricular septum
59
the circumflex artery supplies
left atrium posterior walls of left ventricle
60
right marginal artery supplies
lateral right side of heart RV- inclding right atrium.
61
posterior interventricular artery supplies
posterior right ventricular walls
62
heart veins that go into the coronary sinus?
great middle small cardiac veins
63
Heart veins that go directly into the right atrium:
- anterior cardiac veins - smallest cardiac veins (Thebesian veins)
64
label a and b
a. coronary sinus b. middle cardiac vein
65
The great cardic veins lies alongside?
the anterior interventricular artery in the anterior interventricular groove
66
the middle cardiac vein lies alongside?
the right posterior interventricular artery in the posterior interventricular groove
67
The small cardiac vein runs alongside
the RIGHT marginal artery neart he right inferior margin of the hear
68
the coronary sinus lies alongside the circumflex artery in the ____ groove?
left atrioventricular groove on the posterior surface of the heart
69
what veins drain directly into the right atrium
anterior cardiac veins smallest cardiac veins (thebesian veins)
70
venae cordis minimae
small veins which drain the heart wall directly into each chamber of the heart.
71
small veins which drain the heart wall directly into each chamber of the heart.
small veins venae cordis minmae
72
where does lymph from the heart WALL drain?
tracheobronchial, bronchopulmonary and paratracheal lymph nodes, ie., the same as the lungs
73
what type of tissue is the fibrous pericardium?
dense irregular irregular arranged collagen fibres can endure strenght in many different directions
74
what type of fibres are found in the aorta?
elastic
75
right brachiocephalic vein
76
left external jugular vein
77
left internal jugular vein
78
left brachiocephalic vein
79
superior vena cava
80
brachiocephalic trunk
81
right common carotid
82
left internal thoracic vein
83
1
sympathetic trunk
84
6
accessory hemiazygos vein (drains posterior intercostal veins on right side)
85
4
azygos vein (drains left posterior intercostal veins)
86
8
intercostal nerve
87
7
posterior intercostal vein (left)
88
5
hemi- azygos vein
89
blue box
left axillary artery
Anatomy Year 1
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