A poorly positioned acanthioparietal (Waters) facial bone radiograph demonstrates the petrous ridges too far inferior to the maxillary sinuses.  How could the positioning setup be adjusted to obtain an optimal radiograph? Select the best answers.

What effect does increasing beam filtration have on  photoelectric absorbtion?

If destructive pathology increases, RE  _______.

If 150 mAs is needed with a 16:1 grid, what mAs would be needed with an 8:1 grid?

Elongation of a anatomic part occurs when the part it paralell to the IR

Increasing mAs will increase contrast.

The intensity of the x-ray beam is 8mR at a distance of 48”. What is the new exposure rate if the distance is changed to 72”?

As grid ratio increases, RE ___________ and so the tech must use _________mAs.

Which set of factors will produce the greatest receptor exposure?

Which of the following are small blood vessels found along the periphery of the myometrium?