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BCR 1 > Anatomy - Practical 05 : Gross anatomy of the heart ; Coronary circulation > Flashcards

Anatomy - Practical 05 : Gross anatomy of the heart ; Coronary circulation Flashcards

1
Q

where do the coronary arteries originate?

a. braciocephalic trunk
b. ascending aorta
c. descending aorta
d. internal thoracic

A

b.ascending aorta

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2
Q

the coronry arteries originate from the ascending aorta …………. to the aortic semi lunar valve

a. superior
b. inferior

A

a.superior

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3
Q

what are the spaces above the cusps of the aortic semi lunar valve known as?

a. cusps
b. terminalis
c. sinuses

A

c.sinuses

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4
Q

following filling of the aortic sinuses where does this blood go?

a. back into the ascending aorta
b. the ostia of the coronary arteries
c. the right coronary artery

A

b.the ostia of the coronary arteries

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5
Q

where are the ostia of the coronary arteries?

a. R+L aortic sinuses
b. R+L coronary arteries
c. right and middle coronary arteries
d. r+ middle aortic sinuses

A

a.R+L aortic sinuses

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6
Q

what does the right coronary artery run between after originating from the right aortic sinus?

a. right atrium and pulmonary trunk
b. right auricle and pulmonary trunk
c. right ventricle and right atrium

A

a. right atrium and pulmonary trunk

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7
Q

what sulcus does the right coronary artery run in after running between the right auricle and pulmonary trunk

a. coronary sulcus
b. interventricular sulcus

A

a.coronary sulcus

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8
Q

what is the most superior branch of the coronary artery?

a. SAN branch
b. right marginal artery
c. AV nodal branch
d. posterior interventricular artery

A

a.SAN branch

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9
Q

what branch of the coronary artery runs along the inferioanterior heart ?

a. SAN branch
b. right marginal artery
c. posterior interventricular arteries

A

b.right marginal artery

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10
Q

where does the sino atrial nodal branch originate from in 60% of people?

a.LCA
bRCA

A

bRCA

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11
Q

what does the left coronary artery run between after originating from the left aortic sinus?

a. left atrium and pulmonary trunk
b. left auricle and pulmonary trunk
c. left ventricle and right atrium

A

b.left auricle and pulmonary trunk

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12
Q

which coronary artery branches into a circumflex and anterior interventricular artery?

a. left coronary artery
b. right coronary artery

A

a.left coronary artery

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13
Q

what sulcus does the coronary artery run in?

a. coronary
b. interventricular

A

a.coronary

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14
Q

what sulcus does the anterior interventricular artery run in?

a. coronary
b. interventricular

A

b.interventricular

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15
Q

what do the RCA and and circumflex artery run in the coronary sulcus towards?

a. AVN
b. apex
c. crux

A

c.crux

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16
Q

what do the posterior interventricular and anterior interventricular artery run in the interventricular sulcus towards?

a. AVN
b. apex
c. crux

A

b.apex

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17
Q

what does the diagonal artery branch from?

a. anterior IV artery
b. posterior IV artery
c. circumflex artery
d. right marginal artery

A

a.anterior IV artery

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18
Q

what does the left marginal artery branch from?

a. anterior IV artery
b. posterior IV artery
c. circumflex artery
d. right marginal artery

A

c.circumflex artery

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19
Q

why does MI lead to arrhythmias, weakened walls (aneurysm /dilation) or rupture of chambers?

a. necrosis
b. scar formation
c. ischaemia

A

b.scar formation

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20
Q

which of these is not likely to occlude a vessel?

a. aterosclerotic plaque
b. embolus
c. vasopsasm
d. chronic vasodilation

A

d.chronic vasodilation

21
Q

what is an embolus

A

mass that travels in the bloodstream that can block downstream vessels

22
Q

what does heart dominance description depend on?

a. origin of the anterior interventricular artery
b. origin of the posterior interventricular artery
c. circumflex artery
d. right marginal artery
e. left marginal artery

A

b.origin of the posterior interventricular artery

23
Q

what is the most common heart type based on position of the posterior intervetricular artery

a. right dominant
b. left dominant
c. co dominant

A

a.right dominant

24
Q

what do the posterior and anterior interventricular arteries supply?

a. the AVN
b. the SAN
c. iv septum
d. atrial septum

A

c.iv septum

25
Q

in which of these cases is the iv septum supplied by branches of the LCA and RCA?

a. right dominance
b. left dominance
c. co dominant

A

a.right dominance

26
Q

in a right dominant heart where does the posterior IV artery arise from?

a. right coronary artery
b. circumflex artery
c. both

A

a.right coronary artery

27
Q

in a left dominant heart where does the posterior IV artery arise from?

a. right coronary artery
b. circumflex artery
c. both

A

b.circumflex artery

28
Q

In left dominance the IV septum is supplied by branches of the ……… alone. increasing risk in blockages.

a. right coronary
b. left coronary

A

b. left coronary

29
Q

the dominance of the heart is important in?

a. thoracocentesis
b. cardiocentesis
c. ecg
d. coronary angiography

A

d.coronary angiography

30
Q

in what process is a catheter used to inject radio opaque dye eg iodine based dye, into the coronary vessels while imaging with x ray

a. thoracocentesis
b. cardiocentesis
c. ecg
d. coronary angiography

A

d.coronary angiography

31
Q

what does a coronary angioplasty aim to treat ?

a. atherosclerosis
b. coronary artery blockages
c. heart failure
d. back flow

A

b.coronary artery blockages

32
Q

which of these is supplied by the RCA and branches

a. right atrium and right ventricle small part of left atrium and portion of diaphragmatic aspect of l ventricle
b. left atrium and left ventricle , small part of right atrium and small strip of right ventricle

A

a.right atrium and right ventricle small part of left atrium and portion of diaphragmatic aspect of l ventricle

33
Q

the posterior 1/3 of the IV septum and SA and AV node are supplied blood from which artery?

a. RCA
b. LCA

A

a.RCA

34
Q

the anterior 2/3 of the IV septum and AV node are supplied blood from which artery?

a. RCA
b. LCA

A

b.LCA

35
Q

which node only recieves blood from the rca?

a. SAN
b. AVN

A

a.SAN

36
Q

the harvesting of vessels from other locations in order to reroute blood to coronary vessels

a. PIC
b. CABG
c. coronary angiography

A

b.CABG

37
Q

the distal part of which vessel is rerouted leaving it proximally connected to the subclavian artery in CABG?

a. internal thoracic artery
b. right coronary artery
c. right marginal artery
d. common carotid artery

A

a.internal thoracic artery

38
Q

a section of which vein is harvested and used to connect aorta and a coronary artery distal to the blockage?

a. internal thoracic
b. azygous
c. saphenous

A

c.saphenous

39
Q

when the heart is stopped and. cardiopulmonary bypass machine is used it is known as…

a. on pump arrested heart
b. off pump beating
c. on pump beating

A

a.on pump arrested heart

40
Q

when the heart is beating but the area being sutured is stabilised is used it is known as…

a. on pump arrested heart
b. off pump beating
c. on pump beating

A

b.off pump beating

41
Q

when the heart is being given extra support it is known as..

a. on pump arrested heart
b. off pump beating
c. on pump beating

A

c.on pump beating

42
Q

most of the deoxygenated blood drains to which structure sitting in the coronary groove?

a. aortic sinus
b. coronary sinus
c. foramen ovale

A

b.coronary sinus

43
Q

on which surface of the heart is the coronary sinus found?

a. anterior
b. posterior

A

b.posterior

44
Q

what vein runs with the anterior interventricular artery?

a. small cardiac
b. anterior cardiac
c. middle cardiac
d. great cardiac

A

d.great cardiac

45
Q

what vein runs with the right marginal artery?

a. small cardiac
b. anterior cardiac
c. middle cardiac
d. great cardiac

A

a.small cardiac

46
Q

what vein runs with the posterior intervnetricular artery?

a. small cardiac
b. anterior cardiac
c. middle cardiac
d. great cardiac

A

c. middle cardiac

47
Q

what vein drains directly to the right atrium?

a. small cardiac
b. anterior cardiac
c. middle cardiac
d. great cardiac

A

b.anterior cardiac

48
Q

closure of which valve causes the lub heart sound

a.AV
bSL

A

a.AV

BCR 1 (60 decks)

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