which of the following criteria are used to evaluate PA projection of the chest?
1- ten posterior ribs shoud be visualized
2- sternoclavicular joints should be symmetrical
3- the scapulae should be lateral the lung fields
a. 1and 2only
b. 1and 3 only
c.2 and 3 only
d. 1,2 and 3
1- ten posterior ribs shoud be visualized
2- sternoclavicular joints should be symmetrical
3- the scapulae should be lateral the lung fields
a. 1and 2only
b. 1and 3 only
c.2 and 3 only
d. 1,2 and 3