33 Questions
What is the functional blood supply to the heart muscle called?
Coronary circulation
Which vein originates at the apex of the heart and ascends in the anterior interventricular groove?
Great cardiac vein
Where is the coronary sinus located?
On the posterior surface of the heart
Which artery supplies blood to the heart itself?
Coronary artery
Which vein empties into the right atrium after receiving tributaries from the heart?
Great cardiac vein
What ensures blood delivery to the heart even if major vessels are occluded?
Collateral routes
What is the function of the atria in the heart?
Receive blood from the venae cavae and pulmonary veins
Which chamber of the heart has the thickest myocardium?
Left ventricle
What is the function of papillary muscles in the heart?
Anchor AV valves
Where does blood enter the left atrium from?
Pulmonary veins
What is the function of semilunar valves in the heart?
Prevent backflow of blood into the ventricles
What is the major function of coronary circulation in the heart?
Supply blood to the myocardium
What is the pathway of blood from the right atrium to the lungs?
Right atrium → tricuspid valve → right ventricle → pulmonary semilunar valve → pulmonary arteries → lungs
Which vessel carries oxygenated blood from the lungs to the left atrium?
Pulmonary veins
What is the function of coronary circulation's arterial supply?
Supply oxygenated blood to the heart muscle
Which layer of the heart is composed of a crisscrossing, interlacing layer of connective tissue?
Fibrous skeleton of the heart
In coronary circulation, which vessels carry deoxygenated blood away from the heart muscle?
Coronary veins
Which vessel is responsible for supplying oxygenated blood to the rest of the body?
Aorta
Which vein drains blood from the front of the heart and descends in the anterior interventricular groove?
Middle cardiac vein
Where does the great cardiac vein empty into?
Coronary sinus
What is the main function of the great cardiac vein?
To drain blood from the heart
Which structure anchors the great cardiac vein to certain muscles in the heart?
Papillary muscles
In which chamber does the great cardiac vein collect blood from?
Right atrium
Where does the Great cardiac vein originate?
At the apex of the heart
Which vein is located between the right atrium and right ventricle?
Small cardiac vein
Where does the Small cardiac vein empty its contents into?
Coronary sinus
Which vein begins at the apex of the heart and ascends in the posterior interventricular groove?
Middle cardiac vein
Where is the Posterior cardiac vein located in relation to the Middle cardiac vein?
Right of it
From where does the great cardiac vein originate?
Anterior interventricular groove
What type of blood does the great cardiac vein carry?
Deoxygenated blood
Which structure does the great cardiac vein drain into?
Coronary sinus
What is the main function of the great cardiac vein?
To collect deoxygenated blood from the heart
Which chamber of the heart is most closely associated with the great cardiac vein?
Left atrium
Test your knowledge about the pathway of blood through the heart and lungs, including the pulmonary circuit, aortic circulation, and coronary circulation. Questions may cover major external vessels, such as the aorta, celiac trunk, and vertebral artery.
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