218 - Week 1 Review

• What is the distance between the tabletop and Bucky tray on most floating tabletop type of tables? 

  3 to 4 inches between tabletop & bucky
• How should the original kV range be changed with a fiberglass cast applied for a wrist or forearm radiographic procedure? 

  Increase kV by 3 to 4
• How much CR angulation to the long axis of the hand is required for the tangential, inferosuperior projection to demonstrate the carpal sulcus (canal)? 

  25 to 30 degrees
• A patient enters the emergency department (ED) with a Smith fracture. Which region of the upper limb must be radiographed to demonstrate this injury? 

  Wrist and forearm
• A patient enters the ED with a possible scaphoid fracture. The patient is unable to assume the ulnar deviation position. What position should be performed to confirm the diagnosis? 

  Modified stetcher method
• Which wrist ligament is attached to the styloid process of the ulna and continues to the triquetrum and pisiform? 

  Ulnar collateral ligament
• The two fat stripes of the wrist demonstrated radiographically are known as the scaphoid fat stripe and the ____ fat stripe. 

  pronator
• Which method is used to rule out abnormal calcifications in the carpal sulcus

  Gaynor Hart method
• A radiograph of a tangential, inferosuperior projection of the carpal canal reveals that the hamate is superimposed over the pisiform. Which of the following measures will correct this problem?

  Rotate the wrist and hand 10° internally.
• The bending or forcing of the hand laterally with the hand pronated in a posteroanterior (PA) projection is known as:

  ulnar deviation.
• Which special projection of the wrist will open up the interspaces on the ulnar side of the wrist?

  Radial deviation
• Which special projection of the wrist is ideal for demonstrating possible calcification in the dorsal aspect of the carpals?

  Carpal bridge