nullA PA chest projection with accurate positioning demonstrates the followings except______.
A. over 8 posterior ribs above the hemi-diaphragm.
B. equal posterior rib length on both sides of the chest.structures like heart.
C. the right hemi-diaphragm lower than the left.
D. least magnification of anterior structures like heart.
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For a routine PA chest projection, the SID is normally set_____.
A. 100 inches
B. 72 inches
C. 60 inches
D. 50 inches
Which of the following medical reason may not directly develop pleural effusions?
A. Congestive heart failure
B. Upper abdominal surgery
C. Knee replacement
D. Peumonia
Which of the following chest disorders is least likely to result in the appearance of air bronchograms on the chest radiograph?
A. pulmonary edema
B. Pneumothorax
C. Pneumonia
D. lung consolidation
The following characteristics of calcification in a solitary pulmonary nodule would be considered benign except_____.
A. central calcification
B. stippled calcification
C. irregular calcification
D. complete calcification