2025/2026
1. At the 5th intercostal near The apex of the heart is typically located where on the chest?
the mid-clavicular line
2. Sternum and diaphragm The ligaments of the pericardium attach the pericardial sac to
which two structures?
3. Coronary sulcus On the external surface of the heart, the groove separating the
atria from the ventricles is called the ________?
4. Pulmonary and systemic The adult heart is responsible for circulation of two systems. List
the two systems.
5. Right atria, left atria Foramen ovale allow blood �ow directly between the _________
and the ____________.
6. Valve cusps, papillary mus- The chordae tendineae attach the _________ to the
cles __________.
7. Right sympathetics stimulat- The contraction of the heart is initiated by the __________.
ing the sinoatrial node
8. Bicuspid/mitral What is the name of the valve separating the left atrium from the
left ventricle?
9. Left coronary artery The anterior interventricular artery is a branch of the
__________.
10. The sternal angle (T4-T5) The descending aorta begins at what level?
11. Posterior intercostals and List 2 types of parietal branches of the descending thoracic
subcostal artery aorta.
12. Azygos vein, subclavian, and List the three tributaries of the superior vena cava.
brachiocephalic
, 13. Azygos vein The majority of the right posterior intercostal veins drain into the
__________.
14. Sternal angle, T4-T5 The border dividing the superior mediastinum from the inferior
mediastinum is a plane running from the _______ and the
_______.
15. Posterior The Thoracic Duct is (Anterior/Posterior) to the arch of the aorta.
16. Posterior The Trachea is (Anterior/Posterior) to the great vessels.
17. Posterior The Esophagus is (Anterior/Posterior) to the trachea.
18. Anterior The Phrenic is (Anterior/Posterior) to the root of the lung.
19. Anterior The Left Vagus is (Anterior/Posterior) to the arch of the aorta.
20. Anterior The Right Brachiocephalic Vein is (Anterior/Posterior) to the
right brachiocephalic trunk.
21. Left subclavian vein and the The left brachiocephalic vein is formed by the junction of the
left internal jugular __________.
22. 4-5 inches Approximately, how long is the trachea?
23. Right Which lung(s) is the SVC impression located in?
24. Left Which lung(s) is the arch of the aorta impression located in?
25. Both Which lung(s) is the esophagus impression located in?
26. Right Which lung(s) is the azygos impression located in?
27. List in order of superior to inferior: hiatus for the aorta, hiatus
for the esophagus, and hiatus for the IVC.