STUDY EXERCISE: HEART ANATOMY AND CORONARY CIRCULATION
1. The partition between the ventricles is called the _______________________________.
2. Blood is ejected from the R ventricle into the _________________________________.
3. The serous membrane that surrounds the heart is the _______________________________.
The visceral layer is also called the___________________________
4. After birth, the ductus arteriosus becomes the _______________________________.
5. The structures on the cardiac wall to which the chordae tendinae are attached are called the
_______________________________.
6. Two branches of the pulmonary trunk are the _______________________________ and the
_______________________________.
7. Blood is ejected from the left ventricle into the _______________________________.
8. The structure that carries action potentials to the papillary muscles in the right ventricle is the
_______________________________.
9. The coronary sinus empties into the _______________________________.
10. The posterior interventricular artery is a branch of the _______________________________.
11. The vein that lies alongside the posterior interventricular artery is the
_______________________________.
12. Blood enters the R ventricle from the _______________________________.
13. The inner lining of the heart is called the _______________________________. This is
made up of what type of tissue? _______________________________
14. Give the names of all vessels that empty into the R atrium.
15. The partition between the atria is the _______________________________.
16. The right atrioventricular valve is also called the _______________________________.
17. The fetal vessel between the pulmonary trunk and the aorta is
the_______________________________.
18. The muscular portion of the cardiac wall is the _______________________________.
19. The valve at the base of the pulmonary trunk is the _______________________________.
20. The chamber of the heart that receives blood from the lungs is the
_______________________________.
21. The two major branches of the L coronary artery are the
_______________________________ and the_______________________________.
22. The large coronary vessel that empties into the R atrium is the ________________________.
23. The L atrium injects blood into the _______________________________ through the
_______________________________ valve.
24. The blood vessel that returns blood to the heart from the head and upper limbs is the
_______________________________.
25. The left atrioventricular valve is also called the_______________________________ or
_______________________________.
26. The irregular inner surface of the wall of the atria is called the _______________________.
27. The irregular inner surface of the ventricular walls is called
_______________________________.
28. Two coronary vessels that drain into the coronary sinus are the
_______________________________ and the _______________________________.
29. The valve at the base of the aorta is the _______________________________.
30. The restraints that prevent the atrioventricular valve cusps from being forced back into the
atria are the _______________________________.
31. The depression in the interatrial septum that used to be the foramen ovale in fetal life is
called the _______________________________.
32. The vein that lies alongside the anterior interventricular artery is the
_______________________________.
33. The blood vessel that returns blood to the heart from the lower portion of the body is the
_______________________________.
34. The ear-like flaps of tissue that overlie the atria are the
_______________________________.
35. Blood vessels that empty into the L atrium are the _______________________________.