Which one of the following technical considerations is most critical for demonstrating air fluid levels within the cranium?

A radiograph of an axiolateral (inferosuperior) projection, Danelius-Miller method, reveals that there is an excessive amount of grid lines present. A 6:1 linear grid was used.  Which of the following answers will correct this problem on the repeat exposure?

How would you ensure that the patient’s pelvic is not rotated for the AP projection?  

Removal of debris and devitalized tissue from a wound is known as which of the following?

Where is the central ray centered for an AP projection-external rotation of the shoulder?

What is the purpose of elevating the chin for PA erect chest radiographs?

Which of the following best demonstrates the radial head using the trauma lateral Coyle method?

At which level on the plantar surface should the CR enter the foot for the axial (plantodorsal) projection of the calcaneus?

Which surface of the wrist should be closest to the IR to obtain the least amount of magnification for a lateral projection of the 2nd digit finger?

Post fluoroscopy radiographs differ for single and double contrast BE studies. What additional projection(s) is/are required for double contrast BE to better demonstrate the upside/air-filled portions of the large intestine?