Exercise 1 Answer:

Posterioanterior chest x-ray

 

1. Tracheal air shadow
2. Cervical vertebra
3. Right clavicle
4. Right scapula
5. Rib
6. Intercostal space with lung tissue evident
7. Aortic Knob
8. Heart
9. Right hilum
10. Left hilum
11a. Right hemidiaphragm
11b.. Left hemidiaphragm
12. Right cardiophrenic angle
13. Right costophrenic angle
14. Liver (lies below right hemidiaphragm)
15. Stomach (lies below left hemidiaphragm)
16. Left atrium
17. Left ventricle
18. Right atrium
19. Superior vena cava
20. Right ventricle