For a lateral coccygeal projection,
1)the longitudinally and transversely collimated fields can be closed to a 4-inch (10-cm) field size.
2)the posterior ribs and the posterior pelvic wings are positioned perpendicular to the imaging table.
3)the patient's legs are extended.
4)a small focal spot improves recorded detail sharpness.
A) 1 and 4 only
B) 2 and 3 only
C) 1, 2, and 4 only
D) 1, 2, 3, and 4

Question

Quizplus · Accepted Answer

Option 1 is correct as the longitudinally and transversely collimated fields can be closed to a 4-inch (10-cm) field size. Option 2 is correct as the posterior ribs and the posterior pelvic wings are positioned perpendicular to the imaging table. Option 4 is correct because a small focal spot improves recorded detail sharpness. Option 3 is incorrect because the patient's legs should be flexed during a lateral coccygeal projection.

For a Lateral Coccygeal Projection