Question
The marked part (A) in the given image is supplied by:
| A. |
Obtuse marginal artery
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| B. |
Diagonal artery
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| C. |
Anterior interventricular artery
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| D. |
Both B & C
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Show Answer
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Correct Answer � C
Explanation
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|
Answer C) Anterior interventricular artery
In the given image marked structure is Right Ventricle
Left anterior descending (LAD, interventricular) artery
Location:
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The left anterior descending (LAD, interventricular) artery appears to be a direct continuation of the left coronary artery which descends into the anterior interventricular groove.
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Branches of this artery, anterior septal perforating arteries, enter the septal myocardium to supply the anterior two-thirds of the interventricular septum (in ~90% of hearts).
Function:
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In general, the LAD artery and its branches supply most of the interventricular septum; the anterior, lateral, and apical wall of the left ventricle, most of the right and left bundle branches, and the anterior papillary muscle of the bicuspid valve (left ventricle).
It also provides collateral circulation to the anterior right ventricle, the posterior part of the interventricular septum, and the posterior descending artery.
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