Which of the following statements is(are) TRUE regarding the…

Which of the following statements is(are) TRUE regarding the bilateral frog-leg method for bilateral hips?     1. Both femora are abducted 40 to 45 degrees from vertical.     2. The central ray is directed 2 inches above the level of the crest.     3. No rotation is evidenced by symmetrical appearance of the pelvic bones.

A radiograph of an AP thoracic spine projection reveals that…

A radiograph of an AP thoracic spine projection reveals that the upper thoracic spine is overexposed. The lower vertebrae have acceptable density and contrast. Which one of the following modifications will improve the visibility of the upper thoracic spine?