Release larynx, percutaneous endoscopic approach

How can the positioning setup procedure be adjusted for an AP axial foot projection to demon-strate uniform image density throughout the toes and foot areas?

1. Position the toes at the cathode end of the x-ray tube. 2. Use a kVp above 75. 3. Use a grid. 4. Place a compensating filter over the toes. a. 1 only b. 2 and 3 only c. 1 and 4 only d. 4 only

Which is the best explanation for incomplete anesthesia of the central incisor following an ASA nerve block?

A) Cross-innervation from the opposite side of injection B) Inadequate depth of penetration C) Poor angulation of the needle D) Accessory innervation of the MSA nerve