Anatomy Chapter 11 (part two)
Which of the following occurs when the pressure in the ventricles rises higher than the pressure in the atria?
Atrioventricular valves close.
Which blood vessels are direct branches of the left coronary artery?
anterior interventricular and circumflex arteries
What anchors the flaps of the atrioventricular valves to the walls of the ventricles?
chordae tendineae
Oxygented blood nourishing the myocardium comes from vessels that branch off the aorta called ________.
coronary arteries
Which of the following supply the myocardium with oxygen-rich blood?
coronary arteries
The coronary veins empty blood from the myocardium into a large vein on the posterior side of the heart known as the ________.
coronary sinus
Which vessel carries deoxygenated blood from cardiac circulation to the right atrium of the heart?
coronary sinus
The layer of the heart wall synonymous with the visceral layer of the serous pericardium is ________.
epicardium
What structure divides the left atrium from the right atrium?
interatrial septum
Which one of the following blood vessels carries oxygenated blood?
pulmonary vein
The left atrium receives blood from the ________.
pulmonary veins
The tricuspid valve is located between the ________.
right atrium and right ventricle
T or F? The alternate name for the bicuspid valve is the mitral valve.
true
T or F? The fibrous pericardium is superficial to the serous pericardium surrounding the heart.
True
