Chambers
How many chambers does the heart have?
Four
The names of the valves in the heart? (4)
1. Aortic valve
2. Mitral valve
3. Pulmonary valve
4. Tricuspid valve
What are the three vessels that come off the aortic arch?
innominate (brachiocephalic), left common carotid, and left subclavian
What is the pacemaker of the heart?
Sinoatrial node
The three layers of the heart?
The tip of the heart is called the?
Apex
The right atrium receives blood from which veins? (3 answers)
Superior vena cava, Inferior vena cava, and coronary sinus
The names of the three tricuspid leaflets?
anterior, septal, and posterior
Where do the two coronary arteries originate from?
Sinus of valsalva
The sinoatrial node normally fires at what rater per minute?
60-100
The sac that surrounds the heart is the?
Pericardium
The heart lies beneath the?
Sternum
The names of the two papillary muscle sets of the left ventricle?
anterolateral and posteromedial
The most common congenital heart defect in the adult population?
Bicuspid aortic valve
The left coronary artery bifurcates into?
The left anterior descending artery and the circumflex artery
What carries the electrical impulse from the atria to the ventricles?
Atrioventricular node
The pericardial space is located between the?
Parietal serous pericardium and epicardium
The widest portion of the heart located beneath the second rib is the?
Base
The left atrium receives oxygenated blood from the pulmonary veins during ventricular _____ ?
Systole
The largest of the three tricuspid valve leaflets?
Anterior leaflet
What are the two branches of the left coronary artery?
Anterior descending and circumflex
The SA node and the AV node receive oxygenated blood from which coronary artery?
Right coronary artery
The posterior free space created by the pericardial-pulmonary vein interface is the?
Oblique sinus
The left anterior descending coronary artery is embedded in the anterior _____ sulcus?
Interventricular
The vestigial valve that guards the opening of the coronary sinus?
Thebesian valve
what are the components of the mitral valve apparatus? (5)
Annulus, valve leaflets, chordae tendineae, two papillary muscles and the ventricular myocardium.
Which coronary artery provides oxygenated blood to the inferior interventricular septum and inferior walls of the left and right ventricles
posterior descending artery
The most developed internodal pathway is?
Bachmann's
The free space created at the base of the heart by the pericardial- great vessel interface is the?
sinus of valsalva
Where the interatrial septum meets the interventricular septum internally is called the cardiac?
Crux