A renal calculus that measures 0.2 mm in size
a. cannot be visualized with an effective focal spot of 0.5 mm focal spot due to penumbral overlap.
b. is best seen with magnification and a large focal spot.
c. most likely will be visualized with a small radiographic tube angle using a large target angle.
d. all of the above
a. cannot be visualized with an effective focal spot of 0.5 mm focal spot due to penumbral overlap.
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