In chest x-ray P/A view
A
the left border of the heart is formed by the left ventricle
B
the arch of the aorta can be seen
C
the horizontal fissure of the right lung runs along the lower border of the 4th rib
D
The right border of the heart is formed by the right ventricle
E
the left atrium can not be seen
Correct Answer: the left border of the heart is formed by the left ventricle, the arch of the aorta can be seen, the horizontal fissure of the right lung runs along the lower border of the 4th rib