#1
Which artery supplies blood to the right atrium and right ventricle of the heart?
Right coronary artery
ExplanationSupplies blood to the right side of the heart.
#2
Which coronary artery typically supplies blood to the left atrium and left ventricle of the heart?
Circumflex artery
ExplanationSupplies blood to the left side of the heart.
#3
Which coronary artery is known as the 'widowmaker'?
Left anterior descending artery
ExplanationCommonly involved in severe heart attacks.
#4
Which coronary artery gives off branches known as the 'marginal artery'?
Right coronary artery
ExplanationBranches supply the heart's outer surface.
#5
Which coronary artery supplies blood to the posterior wall of the left ventricle?
Circumflex artery
ExplanationSupplies blood to the back of the left ventricle.
#6
Which artery is considered the continuation of the left main coronary artery?
Circumflex artery
ExplanationContinues left main artery's blood flow.
#7
Which coronary artery usually supplies blood to the sinoatrial (SA) node in about 60-70% of individuals?
Right coronary artery
ExplanationCommon supplier of blood to the heart's natural pacemaker.
#8
Which coronary artery is most commonly involved in an inferior myocardial infarction?
Right coronary artery
ExplanationInvolved in lower heart muscle damage.
#9
Which coronary artery supplies the SA (sinoatrial) node in most cases?
Right coronary artery
ExplanationSupplies blood to the heart's pacemaker.
#10
Which artery runs in the atrioventricular groove and supplies the posterior aspect of the interventricular septum?
Right coronary artery
ExplanationSupplies blood to part of the heart's inner structure.
#11
Which coronary artery may give rise to the artery of the atrioventricular node in some cases?
Right coronary artery
ExplanationPotential source of blood for a heart's electrical center.
#12
Which coronary artery typically supplies blood to the anterior two-thirds of the interventricular septum?
Left anterior descending artery
ExplanationSupplies front part of heart's inner structure.